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-6 section-3

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

The correlation coefficientis used to determine:

A) a specific value of the y-variable given a specific value of the x-variable B) a specific value of the x-variable given a specific value of the y-variable C) the strength of the relationship between the x and y variables D) none of these

Discuss

Answer & Solution

Answer: Option C

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

Weighted averages are considered when

A) the data are not classified B) the data are put in the form of grouped frequency distribution C) all the observations are not of equal importance D) Both A and C

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Answer & Solution

Answer: Option C

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

"Statistics is the king of sciences" who said?

A) Pareta B) King C) Bowley D) Fisher

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Answer & Solution

Answer: Option D

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

Which one relation is not true?

A) $$Z = 3M - 2\overline X $$ B) $$M = \frac{1}{3}\left( {2\overline X - Z} \right)$$ C) $$\overline X = \frac{1}{2}\left( {3M - Z} \right)$$ D) $$\overline X = \frac{1}{3}\left( {2M - Z} \right)$$

Discuss

Answer & Solution

Answer: Option D

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

Two common forms of statistical inference are

A) estimation B) null hypothesis tests of significance C) Both A and B D) None of the above

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Answer & Solution

Answer: Option C

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

Match the following.

List-I	List-II
a. $${\beta _1}$$	1. $${\beta _2} - 3$$
b. $${\beta _2}$$	2. $$\frac{{\mu _3^2}}{{\mu _2^3}}$$
c. $${\gamma _1}$$	3. $$\frac{{{\mu _4}}}{{\mu _2^2}}$$
d. $${\gamma _2}$$	4. $$\sqrt {{\beta _1}} $$

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

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Answer & Solution

Answer: Option D

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

If Σx = 12, Σy = 42, Σx² = 46, Σy² = 542, Σxy = 157 and n = 4, find the correlation coefficient.

A) 0.67 B) 0.98 C) 0.78 D) 0.45

Discuss

Answer & Solution

Answer: Option B

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

If two events (both with probability greater than 0) are mutually exclusive, then:

A) They also must be complements B) They also could be complements C) They cannot be complements D) None of the above

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Answer & Solution

Answer: Option B

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

When the regression coefficient is positive the other will be

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

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Answer & Solution

Answer: Option C

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In a normal distribution the points of inflexion occur at . . . . . . . .

A) $$\overline X + \sigma $$ B) $$\overline X + 2\sigma $$ C) $$\overline X + 3\sigma $$ D) None of these

Discuss

Answer & Solution

Answer: Option A

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