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-4 section-2

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

X measures Wages in Rupees

A) Unit of its average is Rs. and unit of variance is Rs. B) Unit of its average is Rs. and unit of variance is Rs. Square C) Unit of its average is Rs. but variance does not have any unit D) Unit of its average is Rs. but unit of variance is square not of Rs.

Discuss

Answer & Solution

Answer: Option C

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

Which of the following relation is correct?

A) $$\overline X = \sqrt {G.M. \times H.M.} $$ B) $$G.M. = \frac{{\overline X + H.M.}}{2}$$ C) $$G.M. = \sqrt {\overline X .H.M.} $$ D) $$H.M. = \sqrt {\overline X .G.M.} $$

Discuss

Answer & Solution

Answer: Option C

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

The probable error of the coefficient of correlation (r) is calculated by which one of the following formulae?

A) $$0.6745\sqrt {\frac{{1 - {r^2}}}{n}} $$ B) $$0.6745\frac{{1 - {r^2}}}{{\sqrt n }}$$ C) $$0.6745\frac{{1 + {r^2}}}{{\sqrt n }}$$ D) $$0.6745\frac{{1 + {r^2}}}{n}$$

Discuss

Answer & Solution

Answer: Option B

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"Controlled Group" is a term used in:

A) Survey research B) Historical research C) Experimental research D) Descriptive research

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Answer & Solution

Answer: Option C

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

Which of the following variables cannot be expressed in quantitative terms?

A) Socio-economic Status B) Marital Status C) Numerical Aptitude D) Professional Attitude

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Answer & Solution

Answer: Option C

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

The data collected from observation and survey research methods are

A) Primary Data B) Secondary Data C) All of the above D) None of these

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Answer & Solution

Answer: Option A

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Following is the information about the employees in an organisation in various age groups. Compute range and coefficient of range.

Class (Years)	Number of Employees
56-60	7
61-65	16
66-70	39
71-75	28
76-80	10

A) 22, 1.02 B) 23, 0.12 C) 24, 0.1765 D) None of these

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Answer & Solution

Answer: Option D

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

A rank correlation coefficient is being calculated, using the formula $$R = 1 - \frac{{6\sum {d^2}}}{{n\left( {{n^2} - 1} \right)}}.$$ If Σd² = 50 and n = 10, R will (to 2 decimal places) be

A) -0.30 B) 0.63 C) 0.30 D) 0.70

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Answer & Solution

Answer: Option D

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Incorrect understandings, prestige bias, self interest, respondent's inability are the examples of

A) compiling errors B) response error C) non-response error D) publication error

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Answer & Solution

Answer: Option C

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Given is the following distribution of two variables x and y:

x :	1	2	3	4	5
y :	3	4	5	6	7

The standard deviation of y is

A) Same as standard deviation of x B) (the standard deviation of x) × 2 C) (the standard deviation of x) + 2 D) (the standard deviation of x) - 2

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