Business Statistics and Research Methods MCQ Questions and Solutions with Explanations

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

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-5 section-11

Standard error of number of successes is given by:

A) $$\sqrt {\frac{{{\text{pq}}}}{{\text{n}}}} $$ B) $$\sqrt {{\text{npq}}} $$ C) npq D) n² p²

Discuss

Answer & Solution

Answer: Option B

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

If first and third quartile is 40 and 80 respectively. The median is

A) 60 B) 50 C) 45 D) 70

Discuss

Answer & Solution

Answer: Option A

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

The inter quartile range:

A) Relieson four values, and therefore, does not provide a measure of dispersion B) Can be calculated by subtracting the median from the fourth quartile C) Is normally used when the measure of central tendency is the mode D) Is representative of the middle 50% of values in the data set

Discuss

Answer & Solution

Answer: Option D

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

The relationship between expenditure in Rs. on advertising (X) in one time period and sales in Rs. (Y) in the next period has been found to be Y = 50 + 7X. Which of the following interprets the value 7 correctly?

A) For every Rs. 1 spent on advertising, sales increase by Rs. 7 on average B) For every Rs. 1 increase in sales, Rs. 7 must on average be spent on advertising C) For every Rs. 1 spent on advertising, sales increase by Rs. 8 D) When advertising is zero, sales are Rs. 50/7

Discuss

Answer & Solution

Answer: Option A

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

Which of the following statement/s is/are true?

A) Descriptive statistics summarize the characteristics of a data set B) Inferential statistics allow you to test a hypothesis or assess whether your data is generalizable to the broader population C) Correlational statistics provide a description of the sample or population for their further analyses to explore the significance of their differences D) All of the above

Discuss

Answer & Solution

Answer: Option C

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

In a series, the sum of all the observations is . . . . . . . . times the arithmetic mean.

A) 2 B) mean itself C) 5 D) None of these

Discuss

Answer & Solution

Answer: Option D

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

According to classical approach, if an experiment has 'n' simple outcome, each outcome will have probability equal to

A) n B) $$\frac{1}{n}$$ C) $$\frac{1}{{{n^2}}}$$ D) None of these

Discuss

Answer & Solution

Answer: Option B

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

"Statistics are affected to a marked extent by multiplicity of causes" the statement has been given by:

A) Yule and Kendall B) A. L. Bowley C) Boddington D) Croxton and Cowden E) Horace Secrist

Discuss

Answer & Solution

Answer: Option E

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

The application of x²-test as parametric test will be in which one of the following situations?

A) Test of independence of attributes B) Test of goodness of fit of a specific type of distribution C) Test for population variance on the basis of small sized sample variance D) Test of homogeneity of several populations with respect to some characteristic of interest

Discuss

Answer & Solution

Answer: Option C

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

Which of the following are sampling considerations?

A) Who do you need to study in order to investigate your research questions? B) How easily can you gain access to a sampling frame? C) What kind of sampling strategy will you employ? D) All of the above

Discuss

Answer & Solution

Answer: Option D

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