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-4 section-9

Which amongst the following is not the source of secondary data?

A) Data published in journals B) Publications of Central and State Governments C) Data published by UNO D) The data obtained by firm in a market survey

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Answer & Solution

Answer: Option D

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Summary and presentation of data in tabular form with several non-overlapping classes is referred as

A) Frequency distribution B) Nominal distribution C) Ordinal distribution D) Chronological distribution

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Answer: Option A

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A sampling distribution is the probability distribution for which one of the following?

A) A sample B) A sample statistic C) A population D) A population parameter

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Answer & Solution

Answer: Option B

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Karl Pearson correlation coefficient between X and Y is -0.75, the covariance is -15 and the standard deviation of series y is 5, then standard deviation of series X is will be

A) 4 B) 3 C) -4 D) 5

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Answer: Option A

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For two events A and B, if P(B) = 0.5 and P (A $$ \cup $$ B) = 0.5, then P (A|B) =?

A) 0.5 B) 0 C) 0.25 D) 1

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Answer & Solution

Answer: Option D

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Large sample theory is applicable when:

A) N is > 30 B) N is < 30 C) N = 30 D) None of these

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Answer: Option A

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Match the following.

List-I	List-II
a. Histogram	1. Line chart of frequency distribution
b. Bar diagram	2. Data is represented in form of series of rectangle and is two dimensional
c. Frequency polygon	3. Lengths of bars are proportional to their corresponding values
d. Cumulative frequency curve	4. Graphic representation of a cumulative frequency distribution

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

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Answer: Option A

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Which of the following is not a "Graphic representation"?

A) Pie Chart B) Bar Chart C) Table D) Histogram

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Answer & Solution

Answer: Option C

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Read the following statements and choose the correct answer:
Statement-I: Non-parametric tests are based on some assumptions about the parent population from which the sample has been drawn.
Statement-II: The standard deviation of the sampling distribution of mean is called standard error of mean.

A) Both statements are true B) Both statements are false C) Statement-I is true while Statement-II is false D) Statement-I is false while Statement-II is true

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Answer: Option D

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The correlation coefficient in the two variable X and Y is 0.74. This is

A) High level of positive correlation B) High level of negative correlation C) Middle level of positive correlation D) Low level of negative correlation

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Answer & Solution

Answer: Option C

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