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-1 section-4

The value of third quartile will be equal to

A) 1.5 of median B) Third decile C) 75^th decile D) None of these in above

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Answer & Solution

Answer: Option C

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Calculate the value of variance if median = 23, mode = 29 and coefficient of variation is 50%.

A) 100 B) 10 C) 90 D) 80

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Answer: Option A

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Match the items of List-II with the items of List-I and select the option of correct matching.

List-I	List-II
a. Standard error of mean	1. Ha: > 100
b. Base of point estimate of the mean of the population	2. Values based on all the observations of the population
c. Non-specific hypothesis	3. Mean of the sampling distribution of mean
d. Parameter value of descriptive statistics	4. Standard deviation of the sampling distribution of mean

A) a-4, b-3, c-1, d-2 B) a-1, b-2, c-3, d-4 C) a-4, b-3, c-2, d-1 D) a-3, b-4, c-1, d-2

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Answer: Option A

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Which one of the following statements is the correct interpretation of P-value ofless than 0.01 in hypothesis testing?

A) There is overwhelming evidence to infer that the alternative hypothesis is true B) There is strong evidence to infer that the alternative hypothesis is true C) There is weak evidence to indicate that the alternative hypothesis is true D) There is no evidence to infer that the alternative hypothesis is true

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Answer: Option A

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The standard error of the mean:

A) decreases as the sample size increases B) measures the variability of the mean from sample to sample C) is less than the standard deviation of the population D) all of the above

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Answer: Option D

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Most business and economic variables are of continuous nature and their behaviour is best described by a . . . . . . . . continuous curve.

A) oval shaped B) cylindrical shaped C) bell shaped D) None of these

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Answer: Option C

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When it comes to the precision of research estimates, which of the following is true?

A) Statistical formulae can measure non-sampling error B) A reliable measure is always valid C) Non-sampling error can affect validity of results D) Non-sampling error can affect reliability of results

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Answer: Option C

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Which among the following is not a technique of business forecasting?

A) Trend Analysis B) Correlation Analysis C) Time Series Analysis D) Regression Analysis

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Answer: Option B

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Which one of the following is a false statement?

A) The signs of the regression coefficients are always the same B) Correlation coefficient is the geometric mean of the two regression coefficients C) The co-variance between two variables divided by the product of their standard deviations produces the value of coefficient of correlation D) Coefficient of correlation is independent of origin but not of scale

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Answer: Option D

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Correlation obtained by concurrent deviation method indicate only following result.

A) Direction of co-changes B) Degree of co-changes C) Direction and degree of co-changes D) None of the above

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Answer: Option A

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