Define the term: Arithmetic mean

Define the term: Arithmetic mean
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Define the term: Arithmetic mean
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Define Arithmetic Mean.

Description : Define Arithmetic Mean.

Last Answer : Ans: It is the most commonly used average or measure of the central tendency applicable only in case of quantitative data. Arithmetic mean is also simply called “mean”. Arithmetic mean is defined as: “Arithmetic mean is quotient of sum of the given values and number of the given values”.

In economic theory the term “means” refers to (a) Resources ; (b) Arithmetic mean ; (c) A characteristic ; (d) None

Description : In economic theory the term “means” refers to (a) Resources ; (b) Arithmetic mean ; (c) A characteristic ; (d) None

Last Answer : (a) Resources ;

What Find the 90th term of the arithmetic sequence 16,21,26?

Description : What Find the 90th term of the arithmetic sequence 16,21,26?

Last Answer : The 90th term of the arithmetic sequence is 461

What is the nth term of the arithmetic sequence 22 15 8 1 ...?

Description : What is the nth term of the arithmetic sequence 22 15 8 1 ...?

Last Answer : The nth term is -7n+29 and so the next term will be -6

What is the fifth term of the arithmetic sequence 7 4 1?

Description : What is the fifth term of the arithmetic sequence 7 4 1?

Last Answer : As you are taking 3 away each time, the 5th term will be -5.

________ is a register for Short-term, intermediate storage of arithmetic and logic data in a Computer’s CPU. A. Accumulator B. Bus C. Buffer D. None of the Above

Description : ________ is a register for Short-term, intermediate storage of arithmetic and logic data in a Computer’s CPU. A. Accumulator B. Bus C. Buffer D. None of the Above

Last Answer : A. Accumulator

Find the arithmetic mean of first-five natural numbers. -Maths 9th

Description : Find the arithmetic mean of first-five natural numbers. -Maths 9th

Last Answer : Mean = 1 + 2 + 3 + 4 + 5/5 = 15/5 = 3

If the relation between x and y in order that the `20^(th)` arithmetic mean between x and 2y is same as the `20^(th)` arithmetic mean between 2x and y

Description : If the relation between x and y in order that the `20^(th)` arithmetic mean between x and 2y is same as the `20^(th)` arithmetic mean between 2x and y

Last Answer : If the relation between x and y in order that the `20^(th)` arithmetic mean between x and 2y is same as ... inserted in each case )is y = Kx, find K.

If the arithmetic mean of the roots of the equation `4cos^(3)x-4cos^(2)x-cos(pi+x)-1=0` in the interval `[0,315]` is equal to `kpi`, then the value of

Description : If the arithmetic mean of the roots of the equation `4cos^(3)x-4cos^(2)x-cos(pi+x)-1=0` in the interval `[0,315]` is equal to `kpi`, then the value of

Last Answer : If the arithmetic mean of the roots of the equation `4cos^(3)x-4cos^(2)x-cos(pi+x)-1=0` in the interval `[0,315 ... is A. `10` B. `20` C. `50` D. `80`

The arithmetic mean of 10 observations is 45. If one of the obsservations, 54, is deleted, then find the mean of the remaining observations.

Description : The arithmetic mean of 10 observations is 45. If one of the obsservations, 54, is deleted, then find the mean of the remaining observations.

Last Answer : The arithmetic mean of 10 observations is 45. If one of the obsservations, 54, is deleted, then find the mean of the remaining observations.

For minimum work input in a two stage compression process the intermediated pressure is the A. Arithmetic process of suction and discharge pressure B. Logarithmic mean of suction and discharge pressure C. Geometric mean of suction and discharge pressure D. Hyperbolic mean of suction and discharge

Description : For minimum work input in a two stage compression process the intermediated pressure is the A. Arithmetic process of suction and discharge pressure B. Logarithmic mean of suction and discharge pressure C. Geometric mean of suction and discharge pressure D. Hyperbolic mean of suction and discharge

Last Answer : ANSWER : C

According to Malthusian theory of population - (1) Population increases in geometric ratio, food supply increases in arithmetic ratio (2) Population increases in arithmetic ratio, food supply increases in geometric ratio (3) Population increases in a harmonic mean, food supply increases in geometric ratio (4) Population increases in a harmonic ratio, food supply increases in a arithmetic ratio

Description : According to Malthusian theory of population - (1) Population increases in geometric ratio, food supply increases in arithmetic ratio (2) Population increases in arithmetic ratio, food supply increases in ... (4) Population increases in a harmonic ratio, food supply increases in a arithmetic ratio

Last Answer : (1) Population increases in geometric ratio, food supply increases in arithmetic ratio Explanation: In his 1798 work, An Essay on the Principle of Population, Malthus ermined the relationship between population ... e. by the repeated addition of a uniform increment in each uniform interval of time).

__________ mean diameter of particles is given by Σ (xi /Dpi ⃗) (A) Mass (B) Volume (C) Arithmetic (D) Volume surface

Description : __________ mean diameter of particles is given by Σ (xi /Dpi ⃗) (A) Mass (B) Volume (C) Arithmetic (D) Volume surface

Last Answer : (B) Volume

Sauter mean diameter is the same as the __________ mean diameter. (A) Mass (B) Arithmetic (C) Volume-surface (D) Geometric

Description : Sauter mean diameter is the same as the __________ mean diameter. (A) Mass (B) Arithmetic (C) Volume-surface (D) Geometric

Last Answer : (C) Volume-surface

Arithmetic mean area can be used in heat transfer problem to calculate the heat flow by conduction through a cylinder which is (A) Thin walled having the value of Ao Ai /< 2 (B) Thick walled (C) Having the value of Ao /Ai > 2 (D) Both (B) and (C)

Description : Arithmetic mean area can be used in heat transfer problem to calculate the heat flow by conduction through a cylinder which is (A) Thin walled having the value of Ao Ai /< 2 (B) Thick walled (C) Having the value of Ao /Ai > 2 (D) Both (B) and (C)

Last Answer : (A) Thin walled having the value of Ao Ai /< 2

In the equation Q = UAΔt; Δt is (A) Geometric mean temperature difference (B) Arithmetic mean temperature difference (C) Logarithmic mean temperature difference (D) The difference of average bulk temperatures of hot and cold fluids

Description : In the equation Q = UAΔt; Δt is (A) Geometric mean temperature difference (B) Arithmetic mean temperature difference (C) Logarithmic mean temperature difference (D) The difference of average bulk temperatures of hot and cold fluids

Last Answer : (C) Logarithmic mean temperature difference

Terminal point temperature differences between fluids in case of a heat exchanger is termed as (A) Approach (B) Log mean temperature difference (C) Arithmetic mean temperature difference (D) Geometric mean temperature difference

Description : Terminal point temperature differences between fluids in case of a heat exchanger is termed as (A) Approach (B) Log mean temperature difference (C) Arithmetic mean temperature difference (D) Geometric mean temperature difference

Last Answer : (A) Approach

In case of heat transfer by conduction in a hollow cylinder, __________ mean area is used to calculate the heat transfer rate. (A) Geometric (B) Arithmetic (C) Logarithmic (D) Either (A), (B) or (C)

Description : In case of heat transfer by conduction in a hollow cylinder, __________ mean area is used to calculate the heat transfer rate. (A) Geometric (B) Arithmetic (C) Logarithmic (D) Either (A), (B) or (C)

Last Answer : (C) Logarithmic

Test between two population variance is done by (A) F – test (B) Z test (C) t – test (D) Arithmetic mean

Description : Test between two population variance is done by (A) F – test (B) Z test (C) t – test (D) Arithmetic mean

Last Answer : (A) F – test

Which area is used in case of heat flow by conduction through a cylinder? (A) Logarithmic mean area (B) Arithmetic mean area (C) Geometric mean area (D) None of these

Description : Which area is used in case of heat flow by conduction through a cylinder? (A) Logarithmic mean area (B) Arithmetic mean area (C) Geometric mean area (D) None of these

Last Answer : (A) Logarithmic mean area

A two stage compressor is used to compress an ideal gas. The gas is cooled to the initial temperature after each stage. The intermediate pressure for the minimum total work requirement should be equal to the __________ mean of P1 and P2.(where, P1 and P2 are initial and final pressures respectively) (A) Logarithmic (B) Arithmetic (C) Geometric (D) Harmonic

Description : A two stage compressor is used to compress an ideal gas. The gas is cooled to the initial temperature after each stage. The intermediate pressure for the minimum total work requirement should be equal to ... final pressures respectively) (A) Logarithmic (B) Arithmetic (C) Geometric (D) Harmonic

Last Answer : (C) Geometric

In a counter flow heat exchanger, hot fluid enters at 170°C & leaves at 150°C, while the cold fluid enters at 50°C & leaves at 70°C. The arithmetic mean temperature difference in this case is __________ °C. (A) 20 (B) 60 (C) 120 (D) ∞

Description : In a counter flow heat exchanger, hot fluid enters at 170°C & leaves at 150°C, while the cold fluid enters at 50°C & leaves at 70°C. The arithmetic mean temperature difference in this case is __________ °C. (A) 20 (B) 60 (C) 120 (D) ∞

Last Answer : (D) ∞

When a vertical wall is subjected to pressures due to liquid on both sides, the resultant pressure is the __________ of the two pressures. (A) Sum (B) Difference (C) Arithmetic mean (D) Geometric mean

Description : When a vertical wall is subjected to pressures due to liquid on both sides, the resultant pressure is the __________ of the two pressures. (A) Sum (B) Difference (C) Arithmetic mean (D) Geometric mean

Last Answer : Answer: Option B

Give merits and demerits of arithmetic mean.

Description : Give merits and demerits of arithmetic mean.

Last Answer : Merits:  It is rigidly defined.  It is easy to calculate and simple to follow.  It is based on all the observations.  It is determined for almost every kind of data.  It is finite ... accurately if any item is missing.  The mean sometimes does not coincide with any of the observed value.

To calculate index number ----- mean is used (a) arithmetic (b) geometric © harmonic (d) none of the above.

Description : To calculate index number ----- mean is used (a) arithmetic (b) geometric © harmonic (d) none of the above.

Last Answer : (b) geometric

According to Malthusian theory of population (1) Population increases in geometric ratio, food supply increases in arithmetic ratio (2) Population increases in arithmetic ratio, food supply increases in geometric ratio (3) Population increases in a harmonic mean, food supply increases in geometric ratio (4) Population increases in a harmonic ratio, food supply increases in a arithmetic ratio

Description : According to Malthusian theory of population (1) Population increases in geometric ratio, food supply increases in arithmetic ratio (2) Population increases in arithmetic ratio, food supply increases in ... (4) Population increases in a harmonic ratio, food supply increases in a arithmetic ratio 

Last Answer : Population increases in geometric ratio, food supply increases in arithmetic ratio

If the arithmetic mean of 150 numbers is calculated 70. If each number is increased by 10, then mean of new number is. A) 70 B) 80 C) 90 D) 60

Description : If the arithmetic mean of 150 numbers is calculated 70. If each number is increased by 10, then mean of new number is. A) 70 B) 80 C) 90 D) 60

Last Answer : B) Arithmetic mean of numbers = 70 Sum of 150 numbers = (70 * 150) =10500 Total increase = (150 * 10) = 1500 Increased sum = 10500 + 1500 = 12000 Increased average = 12000/150 =80

A group of students of arithmetic mean of the marks in a test was 63. The brightest 30% of them secured a mean score of 70 and the dullest 15% a mean score of 41. The mean score of remaining 55 % is A) 63.675 B) 61.785 C) 65.181 D) 66.67

Description : A group of students of arithmetic mean of the marks in a test was 63. The brightest 30% of them secured a mean score of 70 and the dullest 15% a mean score of 41. The mean score of remaining 55 % is A) 63.675 B) 61.785 C) 65.181 D) 66.67

Last Answer : C) Let the requird mean score be ‘x’ Then (30*70)+(15*41)+55x = 63*100 2100+615+55x=6300 2715+55x=6300 55x=3585 X=65.181