Business Statistics and Research Methods MCQ Questions and Solutions with Explanations

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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-2 section-2

Each section contains 100 MCQs on Business Statistics and Research Methods .

If for a sample data : Mean < Median < Mode, then the distribution is-

A) Skewed to the right B) Symmetric C) Skewed to the left D) Neither symmetric nor skewed

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

. . . . . . . . error is committed when the hypothesis is true but out test rejects it.

A) Type I B) Type II C) Both A and B D) None of these

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

The most appropriate measure of dispersion for open-ended sections is

A) Range B) Quartile deviation C) Mean deviation D) Standard deviation

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Suppose 5 men out of 100 men and 10 women out of 250 women are colour blind, then find the total probability of colour blind people. (Assume that both men and women are in equal numbers.)

A) 0.45 B) 0.045 C) 0.05 D) 0.5

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Coefficient of quartile deviation is calculated by the formula

A) $$\frac{{{\theta _3} + {\theta _1}}}{4}$$ B) $$\frac{{{\theta _3} + {\theta _1}}}{2}$$ C) $$\frac{{{\theta _3} - {\theta _1}}}{{{\theta _3} + {\theta _1}}}$$ D) $$\frac{{{\theta _3} + {\theta _1}}}{{{\theta _3} - {\theta _1}}}$$

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

The correlation co-efficient of (O) indicates

A) no correlation B) perfect correlation C) negligible correlation D) none of these

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

If probable error is 0.05 and N = 16 then find the correlation coefficient

A) 4745 B) 4292 C) 8034 D) 8386

Discuss

Answer & Solution

Answer: Option D

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Which of the following sraternent/s is/are correct?

A) A statistic is a piece of data from a portion of a population B) A parameter is data from a census C) A census surveys everyone D) All of the above

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Answer & Solution

Answer: Option D

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Which of the following statements is correct?

A) The standard deviation of a constant is equal to unity B) The sum of absolute deviations is minimum if these deviations are taken from the mean C) The second moment about origin equals variance D) The variance is positive quantity and is expressed in square of the units of the observations

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Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Which one of the following statements is false?

A) Both correlation and regression co-efficients have same sign B) Arithmetic mean of the regression co-efficients is always more than the correlation co-efficient C) Regression co-efficients are independent of both the origin and scale D) Correlation co-efficient is the square root of two regression co-efficients

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

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