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-10 section-2

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

The formula to find the mode with the help of median and arithmetic mean is

A) $$Z = 2M - \overline X $$ B) $$Z = 4M - \overline X $$ C) $$Z = M - \overline {4X} $$ D) $$Z = 3M - \overline {2X} $$

Discuss

Answer & Solution

Answer: Option D

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

In the case of an algebraic model for a straight line, if a value for the x variable is specified, then:

A) the exact value of the response variable can be computed B) the computed response to the independent value will always give a minimal residual C) the computed value of y will always be the best estimate of the mean response D) none of these alternatives is correct

Discuss

Answer & Solution

Answer: Option A

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

Which of the following are NOT the sources of secondary data?
1. Interview
2. Questionnaire
3. Observation
4. Unpublished thesis
5. Annual report
Choose the correct option from the following:

A) 1, 4 and 5 B) 2, 3 and 4 C) 3, 4 and 5 D) 1, 2 and 3

Discuss

Answer & Solution

Answer: Option D

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

Variance of random variable X of γ (gamma) distribution can be calculated as

A) var(x) = n - 2/μp³ B) var(x) = xn/μp² C) var(x) = 2n/μp² D) var(x) = n + 2/μp²

Discuss

Answer & Solution

Answer: Option C

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

Assertion (A) Parametric test are applied initially.
Reason (R) Non-parametric test are much less cumbersome to use and easy to compute.

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

Discuss

Answer & Solution

Answer: Option A

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

What is the probability that sum of outcomes on pair of dice is equal to 8?

A) $$\frac{6}{{36}}$$ B) $$\frac{5}{{36}}$$ C) $$\frac{4}{{36}}$$ D) $$\frac{3}{{36}}$$

Discuss

Answer & Solution

Answer: Option B

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

Sampling error . . . . . . . . with increase in sampling size while non-sampling error . . . . . . . . with increase in sample size.

A) decrease, increase B) increase, decrease C) decrease, decrease D) increase, increase

Discuss

Answer & Solution

Answer: Option B

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

Which of the following is used to compare two or more frequency distribution?

A) Frequency polygon B) Histogram C) Cumulative frequency curves (ogives) D) None of the above

Discuss

Answer & Solution

Answer: Option D

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

The second and fourth moments about mean are 4 and 48 respectively, then the distribution is:

A) Leptokurtic B) Platykurtic C) Mesokurtic or normal D) Positively skewed

Discuss

Answer & Solution

Answer: Option C

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

100

The circular test is satisfied when-

A) P₁₂ × P₂₁ × P₃₂ = 1 B) P₁₂ × P₃₂ × P₃₁ = 1 C) P₁₂ × P₂₃ × P₃₁ = 1 D) P₁₂ × P₂₃ × P₁₃ = 1

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