In an experiment l is the control variable m is the response variable and n and p are the extraneous factors. The specific units of are referred to as the treatments of the experiment?

In an experiment l is the control variable m is the response variable and n and p are the extraneous factors. The specific units of are referred to as the treatments of the experiment?
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Which of the following control techniques available to the researcher controls for both known and unknown variables? a. Building the extraneous variable into the design b. Matching c. Random assignment d. Analysis of covariance

Description : Which of the following control techniques available to the researcher controls for both known and unknown variables? a. Building the extraneous variable into the design b. Matching c. Random assignment d. Analysis of covariance

Last Answer : c. Random assignment

The shorter and longer arms of a submetacentric chromosome are referred to as (a) m-arm and n-arm respectively (b) s-arm and l-arm respectively (c) p-arm and q-arm respectively (d) q-arm and p-arm respectively.

Description : The shorter and longer arms of a submetacentric chromosome are referred to as (a) m-arm and n-arm respectively (b) s-arm and l-arm respectively (c) p-arm and q-arm respectively (d) q-arm and p-arm respectively.

Last Answer : (c) p-arm and q-arm respectively

A bed of spherical particles (specific gravity 2.5) of uniform size 1500 μm is 0.5 m in diameter and 0.5 m high. In packed bed state, the porosity may be taken as 0.4. Ergun's equation for the above fluid-particle system (in SI units) is given below : Δ P/L = 375 × 10 3 VOM + 10.94 × 10 6 V2 OM (SI units) If water is to be used as the fluidising medium, the minimum fluidisation velocity, VOM is (A) 12 mm/s (B) 16 mm/s (C) 24 mm/s (D) 28 mm/s

Description : A bed of spherical particles (specific gravity 2.5) of uniform size 1500 μm is 0.5 m in diameter and 0.5 m high. In packed bed state, the porosity may be taken as 0.4. Ergun's equation for the above fluid-particle ... fluidisation velocity, VOM is (A) 12 mm/s (B) 16 mm/s (C) 24 mm/s (D) 28 mm/s

Last Answer : (B) 16 mm/s

A bed of spherical particles (specific gravity 2.5) of uniform size 1500 μm is 0.5 m in diameter and 0.5 m high. In packed bed state, the porosity may be taken as 0.4. Ergun's equation for the above fluid-particle system (in SI units) is given below: Δ P/L = 375 × 10 3 VOM + 10.94 × 10 6 V2 OM (SI units) If water is to be used as the fluidising medium, in actual operation, the above bed has a height = 1 m. What is the porosity of the fluidised bed? (A) 0.2 (B) 0.5 (C) 0.7 (D) 0.8

Description : A bed of spherical particles (specific gravity 2.5) of uniform size 1500 μm is 0.5 m in diameter and 0.5 m high. In packed bed state, the porosity may be taken as 0.4. Ergun's equation for the above fluid-particle system ... What is the porosity of the fluidised bed? (A) 0.2 (B) 0.5 (C) 0.7 (D) 0.8

Last Answer : (C) 0.7

In an experimental research study, the primary goal is to isolate and identify the effect produced by the ____. a. Dependent variable b. Extraneous variable c. Independent variable d. Confounding variable

Description : In an experimental research study, the primary goal is to isolate and identify the effect produced by the ____. a. Dependent variable b. Extraneous variable c. Independent variable d. Confounding variable

Last Answer : c. Independent variable

What is another term that refers to a confounding extraneous variable? a. Last variable b. First variable c. Third variable d. Fourth variable

Description : What is another term that refers to a confounding extraneous variable? a. Last variable b. First variable c. Third variable d. Fourth variable

Last Answer : c. Third variable

An extraneous variable that systematically varies with the independent variable and also influences the dependent variable is known as a _______________. a. Confounding variable b. Third variable c. Second variable d. Both a and b are correct

Description : An extraneous variable that systematically varies with the independent variable and also influences the dependent variable is known as a _______________. a. Confounding variable b. Third variable c. Second variable d. Both a and b are correct

Last Answer : d. Both a and b are correct

When a extraneous variable systematically varies with the independent variable and influences the dependent variable, it is called: a. Another dependent variable b. A confounding variable c. A moderating variable d. An unreliable variable

Description : When a extraneous variable systematically varies with the independent variable and influences the dependent variable, it is called: a. Another dependent variable b. A confounding variable c. A moderating variable d. An unreliable variable

Last Answer : b. A confounding variable

The outcome that investigator is interested in understanding explaining, or predicting is described as: a. Situational variable b. Dependent variable c. Independent variable d. Extraneous variable

Description : The outcome that investigator is interested in understanding explaining, or predicting is described as: a. Situational variable b. Dependent variable c. Independent variable d. Extraneous variable

Last Answer : b. Dependent variable

Which variable of a well designed experiment might be affected by the factors?

Description : Which variable of a well designed experiment might be affected by the factors?

Last Answer : dependent variable

There are a number of ways in which confounding extraneous variables can be controlled. Which control technique is considered to be the best? a. Random assignment b. Matching c. Counterbalancing d. None of the above

Description : There are a number of ways in which confounding extraneous variables can be controlled. Which control technique is considered to be the best? a. Random assignment b. Matching c. Counterbalancing d. None of the above

Last Answer : a. Random assignment

The principle of making use of greater homogeneity in groups of experimental units reduce the experimental error is (A) Local control (B) Experiment (C) Replication (D) Experiment Error

Description : The principle of making use of greater homogeneity in groups of experimental units reduce the experimental error is (A) Local control (B) Experiment (C) Replication (D) Experiment Error

Last Answer : (A) Local control

In a RBD experiment having 9 treatments and 4 replications, the error degree of freedom will be A) 24 (B) 32 (C) 27 D) 36

Description : In a RBD experiment having 9 treatments and 4 replications, the error degree of freedom will be A) 24 (B) 32 (C) 27 D) 36

Last Answer : A) 24

3. S produces and sells one product, P, for which the data are as follows: Selling price Rs 28 Variable cost Rs 16 Fixed cost Rs 4 The fixed costs are based on a budgeted production and sales level of 25,000 units for the next period(a) 10.1% decrease (b) 11.2% decrease (c) 13.3% decrease (d) 16.0% decrea

Description : 3. S produces and sells one product, P, for which the data are as follows: Selling price Rs 28 Variable cost Rs 16 Fixed cost Rs 4 The fixed costs are based on a budgeted production and sales level of 25 ... period(a) 10.1% decrease (b) 11.2% decrease (c) 13.3% decrease (d) 16.0% decrease

Last Answer : (a) 10.1% decrease

l, m and n are three parallel lines intersected by transversals p and q such that l, m and n cut off equal intercepts AB and BC on p (see figure). -Maths 9th

Description : l, m and n are three parallel lines intersected by transversals p and q such that l, m and n cut off equal intercepts AB and BC on p (see figure). -Maths 9th

Last Answer : Though E, draw a line parallel to p intersecting L at G and n at H respectively. Since l | | m ⇒ AG | | BE and AB | | GE [by construction] ∴ Opposite sides of quadrilateral AGEB are ... ∠DGE = ∠FHE [alternate interior angles] By ASA congruence axiom, we have △DEG ≅ △FEH Hence, DE = EF

l, m and n are three parallel lines intersected by transversals p and q such that l, m and n cut off equal intercepts AB and BC on p (see figure). -Maths 9th

Description : l, m and n are three parallel lines intersected by transversals p and q such that l, m and n cut off equal intercepts AB and BC on p (see figure). -Maths 9th

Last Answer : Though E, draw a line parallel to p intersecting L at G and n at H respectively. Since l | | m ⇒ AG | | BE and AB | | GE [by construction] ∴ Opposite sides of quadrilateral AGEB are ... ∠DGE = ∠FHE [alternate interior angles] By ASA congruence axiom, we have △DEG ≅ △FEH Hence, DE = EF

l,m and n are three parallel lines intersected by transversal p and q such that l,m and n cut-off equal intersepts AB and BC on p (Fig.8.55). Show that l,m and n cut - off equal intercepts DE and EF on q also. -Maths 9th

Description : l,m and n are three parallel lines intersected by transversal p and q such that l,m and n cut-off equal intersepts AB and BC on p (Fig.8.55). Show that l,m and n cut - off equal intercepts DE and EF on q also. -Maths 9th

Last Answer : Given:l∥m∥n l,m and n cut off equal intercepts AB and BC on p So,AB=BC To prove:l,m and n cut off equal intercepts DE and EF on q i.e.,DE=EF Proof:In △ACF, B is the mid-point of ... a triangle, parallel to another side, bisects the third side. Since E is the mid-point of DF DE=EF Hence proved.

The term Evergreen revolution has been given by a. Dr. M S Swaminathan b. Dr V L Chopra c. Dr B P Pal d. Dr M N Shinde

Description : The term Evergreen revolution has been given by a. Dr. M S Swaminathan b. Dr V L Chopra c. Dr B P Pal d. Dr M N Shinde

Last Answer : a. Dr. M S Swaminathan

The mechanical cleaning of sugar cane is done due to A. The different in the peripheral velocity of rollers B. Rough surface provided Or the outer surface of rollers C. Blow of air which forces the extraneous material out of the machine D. All of the above

Description : The mechanical cleaning of sugar cane is done due to A. The different in the peripheral velocity of rollers B. Rough surface provided Or the outer surface of rollers C. Blow of air which forces the extraneous material out of the machine D. All of the above

Last Answer : D. All of the above

The class specific function of the different immunoglobulin molecules is constituted by (A) Variable region of L chain (B) Constant region of H chain (C) Variable region of H chain (D) Constant region particularly CH2 and CH3 of H chain

Description : The class specific function of the different immunoglobulin molecules is constituted by (A) Variable region of L chain (B) Constant region of H chain (C) Variable region of H chain (D) Constant region particularly CH2 and CH3 of H chain

Last Answer : Answer : D

The portion of the immunoglobulin molecule that binds the specific antigen is formed by (A) Variable regions of H and L chains (B) Constant region of H chain (C) Constant region of L chain (D) Hinge region

Description : The portion of the immunoglobulin molecule that binds the specific antigen is formed by (A) Variable regions of H and L chains (B) Constant region of H chain (C) Constant region of L chain (D) Hinge region

Last Answer : Answer : A

35. Which of the following is not a characteristic of the L P model a. Alternative courses of actions b. An objective function of maximization type c. Limited amount of resources d. Non-negativity condition on the value of decision variable

Description : 35. Which of the following is not a characteristic of the L P model a. Alternative courses of actions b. An objective function of maximization type c. Limited amount of resources d. Non-negativity condition on the value of decision variable

Last Answer : b. An objective function of maximization type

The mechanism which changes the value of manipulated variable in response to the output signal from the control unit is called the (A) Final control element (B) On-off control (C) Floating control action (D) None of these

Description : The mechanism which changes the value of manipulated variable in response to the output signal from the control unit is called the (A) Final control element (B) On-off control (C) Floating control action (D) None of these

Last Answer : Option A

6. Who defined Operations Research as scientific method of providing executive departments with a quantitative basis for decisions regarding the operations under their control? a. Morse and Kimball (1946) b. P.M.S Blackett (1948) c. E.L. Arnoff and M.J. Netzorg d. None of the above

Description : 6. Who defined Operations Research as scientific method of providing executive departments with a quantitative basis for decisions regarding the operations under their control? a. Morse and Kimball (1946) b. P.M.S Blackett (1948) c. E.L. Arnoff and M.J. Netzorg d. None of the above

Last Answer : a. Morse and Kimball (1946)

Lin an experiment to determine the volume of an object, mass and density are recorded as m = (5 ± 0.15) kg and p = (5 ± 0.2) kg m^3 respectively.

Description : Lin an experiment to determine the volume of an object, mass and density are recorded as m = (5 ± 0.15) kg and p = (5 ± 0.2) kg m^3 respectively.

Last Answer : Lin an experiment to determine the volume of an object, mass and density are recorded as ... Calculate percentage error in the measurement of volume.

Repeating units of hyaluronic acid are (A) N-acetyl glucosamine and D-glucuronic acid (B) N-acetyl galactosamine and D-glucuronic acid (C) N-acetyl glucosamine and galactose (D) N-acetyl galactosamine and L- iduronic acid

Description : Repeating units of hyaluronic acid are (A) N-acetyl glucosamine and D-glucuronic acid (B) N-acetyl galactosamine and D-glucuronic acid (C) N-acetyl glucosamine and galactose (D) N-acetyl galactosamine and L- iduronic acid

Last Answer : A

In spring mass experiment, the natural frequency of 10 kg mass was found to be 12 rad/sec. the stiffness of the spring is A. 800 N/m B. 1200 N/m C. 1440 N/m D. 2000 N/m

Description : In spring mass experiment, the natural frequency of 10 kg mass was found to be 12 rad/sec. the stiffness of the spring is A. 800 N/m B. 1200 N/m C. 1440 N/m D. 2000 N/m

Last Answer : C. 1440 N/m

Allocation of treatments to the different experimental units by a random process

Description : Allocation of treatments to the different experimental units by a random process

Last Answer : Ans. Randomization

I need any science experiment with an Independent Variable and a Dependent Variable, and of course an experiment that can be done by a Highschooler...

Description : I need any science experiment with an Independent Variable and a Dependent Variable, and of course an experiment that can be done by a Highschooler...

Last Answer : Uh..it’s not that interesting, but a simple one is to measure the growth of two plants. Take two seeds of the same plant and give them the same amounts of water and all that every day, but keep one near a window and one in an area with little-to-no light.

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Description : What is the dependant variable in Todd's experiment?

Last Answer : Number of Targets A+

You watch your friend rub a balloon on their sweater and then stick it to the wall. To investigate, you set up an experiment to test what happens with other objects. What's the test variable in your experiment?

Description : You watch your friend rub a balloon on their sweater and then stick it to the wall. To investigate, you set up an experiment to test what happens with other objects. What's the test variable in your experiment?

Last Answer : Answer: When you put the balloon on the wall after you rubbed it on the sweater. the balloon would either stick to the wall or repel from the walldepending on what kind of electrons there are on the sweater

In a experiment what group contains a variable?

Description : In a experiment what group contains a variable?

Last Answer : Need answer

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Description : If an experiment had more than one independent variable why would that make the results of the experiment not valid?

Last Answer : Need answer

What was the variable parameter in the laboratory mice experiment In the Proteus experiment?

Description : What was the variable parameter in the laboratory mice experiment In the Proteus experiment?

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In an experiment to see whether the teachers who attend a class management seminar have fewer students sent to the office what is the independent variable?

Description : In an experiment to see whether the teachers who attend a class management seminar have fewer students sent to the office what is the independent variable?

Last Answer : The class management seminar -apex (;

In an experiment to see whether the teachers who attend a class management seminar have fewer students sent to the office what is the independent variable?

Description : In an experiment to see whether the teachers who attend a class management seminar have fewer students sent to the office what is the independent variable?

Last Answer : The class management seminar -apex (;

In an experiment to see the effect of sleep on memory tests one group got eight hours of sleep a night and the other group got five hours a night. In this experiment what is the dependent variable?

Description : In an experiment to see the effect of sleep on memory tests one group got eight hours of sleep a night and the other group got five hours a night. In this experiment what is the dependent variable?

Last Answer : The amount of sleep apex

Suppose marketers at Renault need to determine the effects of an increase in the advertising budget on sales of the Clio. In setting up an experiment, the independent variable would be: A)sales B)price C)advertising expense D)production cost E)wholesale purchases

Description : Suppose marketers at Renault need to determine the effects of an increase in the advertising budget on sales of the Clio. In setting up an experiment, the independent variable would be: A)sales B)price C)advertising expense D)production cost E)wholesale purchases

Last Answer : C)advertising expense

Marketers at Premier Brands want to determine the effects of a price increase on sales of Gourmet Dinners. In setting up an experiment, the dependent variable would be: A)production costs B)price C)advertising costs D)sales E)wholesale purchases

Description : Marketers at Premier Brands want to determine the effects of a price increase on sales of Gourmet Dinners. In setting up an experiment, the dependent variable would be: A)production costs B)price C)advertising costs D)sales E)wholesale purchases

Last Answer : D)sales

In pavlovs experiment with dogs in which he demonstrated classincal conditioning what term defines the dogs salivation in response to only rhe ringing of the bell?

Description : In pavlovs experiment with dogs in which he demonstrated classincal conditioning what term defines the dogs salivation in response to only rhe ringing of the bell?

Last Answer : Feel Free to Answer

The specific weight of water in S.I. units is taken as (A) 9.81 kN/m3 (B) 9.81 × 103 N/m3 (C) 9.81 × 10-6 N/mm3 (D) Any one of these

Description : The specific weight of water in S.I. units is taken as (A) 9.81 kN/m3 (B) 9.81 × 103 N/m3 (C) 9.81 × 10-6 N/mm3 (D) Any one of these

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_______ isnormally referred toas mB/nB coding; it replaceseach m-bit group with an n-bit group. A) Block coding B) Line coding C) Scrambling

Description : _______ isnormally referred toas mB/nB coding; it replaceseach m-bit group with an n-bit group. A) Block coding B) Line coding C) Scrambling

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A term meaning variable body temperature that describes animals which are often referred to as "cold-blooded" is:

Description : A term meaning variable body temperature that describes animals which are often referred to as "cold-blooded" is: 

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S.L. Miller an American scientist created electric discharge experiment in a closed flask containing `CH_(4),H_(2),NH_(3)` and water vapour at what te

Description : S.L. Miller an American scientist created electric discharge experiment in a closed flask containing `CH_(4),H_(2),NH_(3)` and water vapour at what te

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45.4 L of nitrogen reacted with 22.7 L of oxygen and 45.4 L of nitrogen oxide was formed. The reaction is given below: 2N2(g) + O2(g) →2N2O(g) Which law is being obeyed in this experiment? Write the statement of this law.

Description : 45.4 L of nitrogen reacted with 22.7 L of oxygen and 45.4 L of nitrogen oxide was formed. The reaction is given below: 2N2(g) + O2(g) →2N2O(g) Which law is being obeyed in this experiment? Write the statement of this law.

Last Answer : Ans. Gay lussac’s law of gaseous volume is being obeyed. According to gay lussac’s law of gaseous volumes, gases combine or are produced in a chemical reaction in a simple ration by volume, provided that all gases are the same temperature and pressure.

Sumati did some preliminary experiment with the lenses and found out that the magnification of the eyepiece (L 2 ) is 3. If in her experiment with L 2 she found an image at 24 cm from the lens, at what distance did she put the object? (a) 72 cm (b) 12 cm (c) 8 cm (d) 6 cm

Description : Sumati did some preliminary experiment with the lenses and found out that the magnification of the eyepiece (L 2 ) is 3. If in her experiment with L 2 she found an image at 24 cm from the lens, at what distance did she put the object? (a) 72 cm (b) 12 cm (c) 8 cm (d) 6 cm

Last Answer : (c) 8 cm

This operates algorithmically or using a mixture of algorithmic and human input to collect, index, store and retrieve information on the web (e.g. web pages, images, information and other types of files). It makes the information available to users in a manageable and meaningful way in response to a search query. This is referred to as: 1. Banner ads 2. Pop-up ads 3. A search engine 4. Apps

Description : This operates algorithmically or using a mixture of algorithmic and human input to collect, index, store and retrieve information on the web (e.g. web pages, images, information and other types of files). It makes the ... is referred to as: 1. Banner ads 2. Pop-up ads 3. A search engine 4. Apps

Last Answer : A search engine

Proteins formed when cells are exposed to viral or foreign agents that are capable of activating other components of the immune system are referred to as a) interferons. Interferons are biologic response modifiers with nonspecific viricidal proteins.

Description : Proteins formed when cells are exposed to viral or foreign agents that are capable of activating other components of the immune system are referred to as a) interferons. Interferons are biologic ... series of enzymatic proteins in the serum that, when activated, destroy bacteria and other cells.

Last Answer : a) interferons. Interferons are biologic response modifiers with nonspecific viricidal proteins.

CART is referred as… a. Computer Art and Response Team b. Common Analysis and Response Team c. Computer Analysis and Reasoning Team d. Computer Analysis and Response Team

Description : CART is referred as… a. Computer Art and Response Team b. Common Analysis and Response Team c. Computer Analysis and Reasoning Team d. Computer Analysis and Response Team

Last Answer : d. Computer Analysis and Response Team