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-5

The difference between the lower limit and upper limit of a classis known as . . . . . . . .

A) class limIt B) class interval C) mid-point of class D) None of these

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Answer: Option B

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Sampling involves the sequence of stages. Which one of the following stages should come before the others?

A) Proceed with the field work B) Find suitable source for the population members C) Define the people of interest D) Examine the objective of the study

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Answer: Option D

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In a Binomial Distribution, if 'n' is the number of trials and 'p' is the probability of success, then the mean value is given by:

A) np B) n C) p D) np(1 - p)

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Answer: Option A

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The first moment about means is always:

A) Zero B) One C) Negative D) None of these

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Answer: Option A

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Sampling is the process of study

A) about the population B) about the sample C) about the sample or about the population D) neither about the sample nor about the population

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Answer: Option A

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Assertion (A) In regression analysis, the values of the dependent variable are random, but the values of the independent variable are fixed quantities without error and are chosen by the analyst.
Reason (R) Regression analysis provides value of the regressed variables (dependent) from the value of the regressor variables (independent variable).

A) Both (A) and (R) are true and (R) is the correct explanation of (A) 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 false, but (R) is true

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Answer: Option B

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The term 'external validity' is concerned with:

A) the question of whether the results of a study can be generalized beyond the specific research context B) whether the research question is judged to be a good research question by those outside the study C) the question of whether or not social scientific findings are applicable to people's everyday, natural social settings D) an ambiguous concept whose meaning depends on how it is defined

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Answer: Option A

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A good index number is one that satisfies

A) Unit test B) Time test C) Time Reversal Test and Factor Reversal Test D) None of these

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Answer: Option C

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The following are the estimated regression equations for x and y variables:
x = 0.85y
y = 0.89x
With this information, the value of the coefficient of correlation would be:

A) 0.87 B) 0.86 C) 0.89 D) 0.75

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Answer: Option B

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The moment coefficient of skewness 'p₁' is equal to

A) $$\frac{{p - q}}{{npq}}$$ B) $$\frac{{q - p}}{{npq}}$$ C) $$\frac{{{{\left( {q - p} \right)}^2}}}{{npq}}$$ D) $$\frac{{{{\left( {p - q} \right)}^2}}}{{npq}}$$

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Answer: Option C

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