Business Statistics and Research Methods MCQ Questions and Solutions with Explanations

Business Statistics and Research Methods MCQ Questions and Solutions with Explanations | Commerce

Business Statistics and Research Methods MCQ Questions and answers with easy and logical explanations. Commerce provides you all type of quantitative and competitive aptitude mcq questions with easy and logical explanations. Business Statistics and Research Methods MCQ is important for exams like B.COM, M.COM, BBA, BBM, CA, CS, CMA, CPA, CFA, UPSC, NET, Banking and other commerce department exam. Page-8 section-7

Size of the sample is determined in terms of

A) the margin of error permissible in the estimate B) the confidence coefficient with, which we want the estimate to be within the margin of error C) Both A and B D) Neither A nor B

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Answer & Solution

Answer: Option C

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This is not the purpose of tabulation

A) Explaining the nature of the data B) Simplifying the data C) Simplifying the comparison D) Editing the data

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Answer: Option D

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Assertion (A) Median of a distribution is that value of the variant which divides it in two equal parts.
Reason (R) Median is a positional average.

A) Both (A) and (R) are true B) Both (A) and (R) are true, but (R) is not the correct explanation of (A) C) Both (A) and (R) are false D) (A) is true, but (R) is false

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Answer: Option A

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What is/are the main benefits of degrees of freedom (DoF) in small tests?

A) A higher degree of freedom means more power to reject a false null hypothesis and find a significant result B) Degrees of Freedom is an essential idea that appears in many contexts throughout statistics including hypothesis tests, probability distributions, and regression analysis C) Degrees of Freedom indicate the number of independent values that can vary in an analysis without breaking any constraints D) All of the above

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Answer: Option D

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. . . . . . . . is a true measure of dispersion.

A) Range B) Mean deviation C) Inter-quartile range D) None of these

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Answer: Option D

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Which one of the following statistical measure is not affected by extremely large or small numbers?

A) Median B) Harmonic mean C) Standard deviation D) Coefficient of variation

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Answer: Option B

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What is a research design?

A) A way of conducting research that is not grounded in theory B) The choice between using gualitative or quanritative methods C) The style in which you present your research findings, e.g., a graph D) A framework for every stage of the collection and analysis of data

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Answer: Option D

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If the dependent variable increases as the independent variable increases in an estimating equation, the co-efficient of correlation will be in the range

A) 0 to (-)1 B) 0 to (-)0 C) 0 to (-)0.05 D) 0 to 1

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Answer: Option D

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Important objective of statistical analysis is to get . . . . . . . . that describes the characteristics of the entire data.

A) single value B) average value C) central value D) All of these

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Answer: Option C

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In univariate data analysis, T-test is used when the data are in the form of

A) metric data with one sample B) non-metric data C) non-metric data with independent variable D) metric data with independent two samples

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Answer: Option D

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