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-7 section-10

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

The numerical value of the standard deviation can never be negative. The positive square root of the mean of the squares of the deviations of observations from their mean is called:

A) Variance B) Range C) Standard deviation D) Coefficient of variation

Discuss

Answer & Solution

Answer: Option C

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

Which of the statement(s) are true about 'measures of dispersion'?
1.The divergence of a set of observation
2. The concentration of a set of observation

A) Only 1 B) Only 2 C) Both 1 and 2 D) None of the above

Discuss

Answer & Solution

Answer: Option C

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

Primary data collected through direct personal interview is suitable for:

A) Intensive study B) Extensive study C) Both for intensive and for extensive study D) Suitable only when third parties called witness capable of supplying necessary information E) When telephone is used for a series of question raised by the investigator

Discuss

Answer & Solution

Answer: Option A

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

The first three moments of a distribution about the mean X are 1, 4 and 0. The distribution is:

A) Symmetrical B) Skewed to the left C) Skewed to the right D) Normal

Discuss

Answer & Solution

Answer: Option A

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

Mode is a positional average which is used to deal with which type of data?
1. Quantitative data
2. Qualitative data

A) Only 1 B) Only 2 C) Both 1 and 2 D) None of the above

Discuss

Answer & Solution

Answer: Option A

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

Assertion (A) The two lines of regression can never be parallel.
Reason (R) The two lines of regression always pass through common point (x · y). Therefore, they can never be parallel.

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

Discuss

Answer & Solution

Answer: Option A

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

Statistical mean, which is not affected by extreme values

A) Median B) Arithmetic mean C) Harmonic mean D) Geometric mean

Discuss

Answer & Solution

Answer: Option A

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

The farther the two regression lines cut each other

A) the greater will be the degree of correlation B) the lesser will be degree of correlation C) does not really matter D) None of them

Discuss

Answer & Solution

Answer: Option B

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

Which of the following is correct in a negatively skewed distribution?

A) The arithmetic mean is greater than the mode B) The arithmetic mean is greater than the median C) (Q3 - Median) = (Median - Q1) D) (Q3 - Median) < (Median - Q1)

Discuss

Answer & Solution

Answer: Option D

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

Which of the following conditions need to be fulfilled for applicability of T- test?

A) The sample size is less than 30 B) The population standard deviation must be unknown C) Both A and B D) Neither A nor B

Discuss

Answer & Solution

Answer: Option B

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