A Statistical measure of the Degree to which two variables move together A. Coefficient of variation B. Variance C. Covariance D . Certainty equivalent

A Statistical measure of the Degree to which two variables move together A. Coefficient of variation B. Variance C. Covariance D . Certainty equivalent 
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Answer: C
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Description : Which of the following is true in Statistical reasoning? a) The representation is extended to allow some kind of numeric measure of certainty to be associated with each statement b) The ... extended to allow some kind of numeric measure of certainty to be associated common to all statements

Last Answer : a) The representation is extended to allow some kind of numeric measure of certainty to be associated with each statement

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Description : The importance of the correlation co-efficient lies in the fact that: (A) There is a linear relationship between the correlated variables. (B) It is one of the most valid measure of statistics. ... of the association be tween two variables. (D) It is a non-parametric method of statistical analysis.

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Last Answer : c. Finite choices

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Last Answer : c. Deterministic

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Description : A measure of risk per unit of expected return A.standard deviation B . Coefficient of variation C.Correlation coefficient D. Beta 

Last Answer : Answer: B 

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Description : Which one of the following methods serve to measure correlation between two variables? (A) Scatter Diagram (B) Frequency Distribution (C) Two-way table (D) Coefficient of Rank Correlation

Last Answer : (D) Coefficient of Rank Correlation 

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Description : The square of standard deviation is (A) Coefficient of variance (B) Standard deviation (C)Variance (D) Mean deviation

Last Answer : (C)Variance

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Last Answer : a) linear regression analysis

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Description : How do you figure out the percent uncertainty in the volume of a sphere when you know its radius with a particular degree of certainty?

Last Answer : I have never had to do a problem like this, so apologies if I lead you astray. I would start here: what’s the relationship between the radius of a sphere and its volume?

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Last Answer : A. Cost Baseline

Can Coefficient of variation of a set of data to be zero?

Description : Can Coefficient of variation of a set of data to be zero?

Last Answer : Yes, if there is no variation: all the data have to have thesame value and that value must be non-zero.

Is it possible for a coefficient of variation of a set of data to be zero Explain.?

Description : Is it possible for a coefficient of variation of a set of data to be zero Explain.?

Last Answer : Yes it is. If all the observations have the same non-zero valuethen the coefficient of variation will be zero.

Is it possible for a coefficient of variation to be negative Explain.?

Description : Is it possible for a coefficient of variation to be negative Explain.?

Last Answer : Of course it is! If the mean of a set of data is negative, thenthe coefficient of variation will be negative.

What is a coefficient of variation?

Description : What is a coefficient of variation?

Last Answer : What is the answer ?

Coefficient of variation calculated by

Description : Coefficient of variation calculated by

Last Answer : Ans. CV = (SD/Mean) x 100

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Last Answer : c) Both (a) and (b)

What is the statistical function that accurately measures what it is intended to measure?

Description : What is the statistical function that accurately measures what it is intended to measure?

Last Answer : There is none. If an accurate measure was possible thenstatistical techniques would not be required. A maximum likelihoodestimate is probably better than other statistical estimates.

A statistical measure based upon the entire population is called parameter while measure based upon a sample is known as: (A) Sample parameter (B) Inference (C) Statistics (D) None of these

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Last Answer : (C) Statistics

When the correlation coefficient, r, is close to one: a. there is no relationship between the two variables b. there is a strong linear relationship between the two variables c. it is impossible to tell if there is a relationship between the two variables d. the slope of the regression line will be close to one

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Last Answer : b. there is a strong linear relationship between the two variables 

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The variables whose coefficient vectors are unit vectors, are called ...................... a. Unit variables b. Basic variables c. Non-basic variables d. None of these

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Description : Which of the following statements accurately describes test-retest reliability? a. Measure of consistency of test scores over time b. Measure of consistency of scores obtained from two equivalent halves of ... concept d. Measure of degree of agreement between two or more scorers, judges, or raters

Last Answer : a. Measure of consistency of test scores over time

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Last Answer : Answer: 2

What Conditions necessary for a measure of variation to have a positive value?

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Uniformity measure of a planter is a) Equal seed spacing b) Equal number of seed dropped per hill c) Minimum variation in different openers d) All of the above Ans. d

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when used together, perspective and color variation create what effects for the viewer?

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A device that transforms values of physical variables into equivalent electrical signals is called_____________

Description : A device that transforms values of physical variables into equivalent electrical signals is called_____________

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If the price elasticity of a product is greater than 1, we can say that (a) The products demand is sensitive to price variation; (b) Product demand is insensitive to price variation; (c) Demand and price move in same directions ; (d) None of this

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Last Answer : (a) The products demand is sensitive to price variation; 

Give two reason for variation of the degree of commercialisation of agriculture from region to region. -Geography

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The degree of scatterness or variation of the variable about a central tendency

Description : The degree of scatterness or variation of the variable about a central tendency

Last Answer : Ans. Disperson

Pick up the correct statement from the following: (A) A graphical representation of spectral reflectance verses the various growth stages of a crop, depicts a phonologic patternB) The changes in the polarisation of the radiation reflected or emitted by an object, is known as polarisation variation (C) The degree of polarisation is a characteristic of the object which helps in the identification of the object (D) All of these

Description : Pick up the correct statement from the following: (A) A graphical representation of spectral reflectance verses the various growth stages of a crop, depicts a phonologic pattern B) The changes in ... characteristic of the object which helps in the identification of the object (D) All of these

Last Answer : Answer: Option D

The degree to which jobs within an organization are standardized is referred to as…….. (a) job variation ; (b) routineness ; (c) formalization ; (d) centralization

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Description : A situation in which one of two or more risk events will follow an act, but the precise nature  of these events may not be known and the probabilities of their occurring cannot be objectively  assigned, is ... 1. certainty  2. uncertainty  3. risk  4. risk adversity  5. None of the above.

Last Answer : 2. uncertainty

Is human knowledge (science, math, etc) dependent solely on human perception or can we claim certainty in certain areas?

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Why do air shows still exist, when it is almost a certainty that the planes will crash?

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Last Answer : Simply, because pilots still participate and the public goes to watch.

Which sporting event do you believe with 100% certainty was rigged?

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Last Answer : F1 2021 - They screwed Sir Lewis Hamilton over and it was beyond obvious.

What is the certainty when I send a private message that .....

Description : .... will not be read by a third party?

Last Answer : Almost zero. That possibility is almost always there.

Determining the sex of a child with certainty?

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How can chemists state with certainty that no one will discover an element that would appear on the periodic table?

Description : How can chemists state with certainty that no one will discover an element that would appear on the periodic table?

Last Answer : Need answer

Which one of the following is not a 'canon of taxation' according to Adam Smith? (1) Canon of certainty (2) Canon of simplicity (3) Canon of convenience (4) Canon of economy

Description : Which one of the following is not a 'canon of taxation' according to Adam Smith? (1) Canon of certainty (2) Canon of simplicity (3) Canon of convenience (4) Canon of economy

Last Answer : (2) Canon of simplicity Explanation: In this book, titled The Wealth of Nations, 'Adam smith only gave four canons of taxation: (i) canon of equity; (ii) canon of certainty; (iii) canon of convenience; and (iv) canon of economy.

Dimension of culture which defines extent of people how they act as individuals instead of representing as groups is classified as A. orientation distance B. power distance C. individualism D. certainty avoidance

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Last Answer : individualism

Which of the followings cannons of taxation have been propounded by Adam Smith ? (a) Economy, Elasticity, Simplicity, Sufficiency. (b) Certainty, Convenience, Economy, Elasticity. (c) Economy, Co-ordination, Convenience, Expediency. (d) Equity, Certainty, Convenience, Economy.

Description : Which of the followings cannons of taxation have been propounded by Adam Smith ? (a) Economy, Elasticity, Simplicity, Sufficiency. (b) Certainty, Convenience, Economy, Elasticity. (c) Economy, Co-ordination, Convenience, Expediency. (d) Equity, Certainty, Convenience, Economy.

Last Answer : (a) Economy, Elasticity, Simplicity, Sufficiency.

45. LP is a major innovations since _______ in the field of business decision-making, particularly under conditions of certainty a. Industrial Revolution b. World War I c. World War II d. French Revolution

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Last Answer : c. World War II

42. _____ assumption means the prior knowledge of all the coefficients in the objective function , the coefficients of the constraints and the resource values a. Proportionality b. Certainty c. Finite choices d. Continuity

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Last Answer : b. Certainty

Differentiate certainty and uncertainty.

Description : Differentiate certainty and uncertainty.

Last Answer : Ans: A situation is called certain if it has only one possible outcome and it is called uncertain if it has more than one outcome.