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-5 section-2

What is the total work participation rate in India as per 2001 census?

A) 54.6% B) 49.3% C) 36.6% D) 39.3%

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Answer: Option D

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If two regression coefficients are -0.8 and -0.2, then the value of coefficient of correlation is

A) -0.16 B) -0.50 C) +0.40 D) -0.40

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Answer: Option D

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Which of the following statement/s is/are correct in context of Baye's Theorem?

A) Under Baye's Theorem, we make use of words such as hypotheses, priori probability and posteriori Probability B) Baye's Theorem is considered for the case of conditional probability where it is the probability of an event happening, given that it has some relationship to one or more other events C) Baye's Theorem provides a way to revise existing predictions or update probabilities provided there is given new evidence D) All of the above

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Answer: Option D

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Which of the following are 'non-statistical' research?
1. Problem solving research
2. Qualitative research
3. Applied research
Select the correct answer using the options given below

A) Only 1 B) Only 2 C) Both 1 and 2 D) Both 2 and 3

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Answer: Option B

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If the standard deviation of a variable X is s and if y = a + bs, where a and b are constants, the standard deviation of y would be

A) a + bs B) bs C) $$\sqrt {{\text{b}} \cdot {\text{s}}} $$ D) b²s

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Answer: Option B

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Which of the following qualities an investigator must possess in collection of primary data?
1. Skill
2. Tact
3. Accuracy
4. Neutrality
5. Personal bias
Select the correct answer using the options given below

A) 1, 2, 3 and 4 B) 2, 3, 4 and 5 C) Both 4 and 5 D) None of the above

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Answer: Option A

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The measurement based on all the values in the series is

A) Range B) Standard deviation C) Quartile deviation D) All of these

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Answer: Option B

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The standard deviation of the first group is 12 and the mean is 15. The standard deviation of the second group is 18 and the mean is 25. Which group is more stable?

A) First group B) Second group C) First and second both group D) None of these in first and second group

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Answer: Option B

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Next year, sales may rise, fall or remain the same as this year, with the following respective probabilities: 0.56, 0.23 and 0.21. The probability of sales remaining the same or falling is:

A) 0.05 B) 0.12 C) 0.13 D) 0.44

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Answer: Option D

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Which of the following is a probability-based sample selection technique?

A) Judgment sampling B) Multistage stratified C) Subjective sampling D) Accidental sampling

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Answer: Option B

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