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-1 section-9

Match the following.

List-I	List-II
a. Contingency table	1. A statistical test in which the null hypothesis is true and the test statistics has F-distribution
b. Non-parametric statistics	2. Do not depend on the shape of the distribution of the population
c. Parametric statistics	3. Number and nature of parameters are fixed in advance
d. F-test	4. Used to record and analyse the relationship between two variables or more variables, basically categorical variables

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

Discuss

Answer & Solution

Answer: Option B

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

What is the measure of relative dispersion?

A) Relative coefficient B) Absolute coefficient C) Coefficient of variation D) Dispersion relativity

Discuss

Answer & Solution

Answer: Option C

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

If 'x' and 'y' are independent variables, then the two lines of regression are

A) x = 0, y = 0 B) x = constant, y = constant C) x = 0, y = constant D) None of these

Discuss

Answer & Solution

Answer: Option B

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

If $$x = X - \overline X $$ and $$y = Y - \overline Y $$ be n number of pair terms, then

A) $$r = \frac{{\sum xy}}{{\sqrt {\sum {x^2}\sum {y^2}} }}$$ B) $$r = \frac{{n\sum xy}}{{\sqrt {\sum {x^2}\sum {y^2}} }}$$ C) $$r = \frac{{\sum xy}}{{n\sqrt {\sum {x^2}\sum {y^2}} }}$$ D) $$r = \frac{{\sum xy}}{{n\sum {x^2}}}$$

Discuss

Answer & Solution

Answer: Option A

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

If expected frequency in a cell is less than 5, we combine adjacent cells, so that make it 5 or more than

A) 5 B) 10 C) -5 D) 100

Discuss

Answer & Solution

Answer: Option A

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

In the hypothesis testing procedure, a researcher may commit type II error in which of the following conditions?

A) When the true null hypothesis is rejected B) When the alternative hypothesis is accepted C) When the false null hypothesis is accepted D) When the true null hypothesis is accepted

Discuss

Answer & Solution

Answer: Option C

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

A graph of a cumulative frequency distribution is called:

A) Frequency polygon B) Frequency curve C) Ogive D) Pie diagram

Discuss

Answer & Solution

Answer: Option C

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

The formula for coefficient of variation-

A) $$\frac{{{\text{Standard Deviation}}}}{{{\text{Mean}}}} \times 100$$ B) $$\frac{{{\text{Mean}}}}{{{\text{Standard Deviation}}}} \times 100$$ C) $$\frac{{{\text{Mean}} - {\text{Mode}}}}{{{\text{Standard Deviation}}}} \times 100$$ D) $$\frac{{{\text{Standard Deviation}}}}{{{\text{Mean}} - {\text{Mode}}}} \times 100$$

Discuss

Answer & Solution

Answer: Option A

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

What type of correlation exists in the following two variates?

X	1	2	3	4	5	6
Y	10	12	14	16	18	20

A) -1 B) 0 C) +1 D) ±1

Discuss

Answer & Solution

Answer: Option C

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

Under which of the following situations, chi-square test is applicable?
1. Testing homogenity
2. Testing goodness of fit
3. Testing equality of two sample means
4. Testing equality of two sample proportions
5. Testing independence of attributes
Select the correct answer using the options given below

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

Discuss

Answer & Solution

Answer: Option B

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