Business Statistics and Research Methods MCQs

Question 1

The equation Y = A + BX can show:

Accepted Answer

Regression line of Y on X

Answer

Regression line of X on Y

Answer

Both A and B

Answer

None of these

Question 2

Quartile deviation is-

Accepted Answer

$$\frac{2}{3}\sigma $$

Answer

$$\frac{4}{5}\sigma $$

Answer

$$\frac{3}{2}\sigma $$

Answer

$$\frac{5}{4}\sigma $$

Question 3

Statistical software packages for research in social sciences include:

Accepted Answer

All of the above

Answer

SPSS

Answer

STATA

Answer

Mini Tab

Question 4

The value of third quartile will be equal to

Accepted Answer

75th decile

Answer

1.5 of median

Answer

Third decile

Answer

None of these in above

Question 5

Calculate the value of variance if median = 23, mode = 29 and coefficient of variation is 50%.

Accepted Answer

100

Answer

10

Answer

90

Answer

80

Question 6

Match the items of List-II with the items of List-I and select the option of correct matching. List-I List-II a. Standard error of mean 1. Ha: > 100 b. Base of point estimate of the mean of the population 2. Values based on all the observations of the population c. Non-specific hypothesis 3. Mean of the sampling distribution of mean d. Parameter value of descriptive statistics 4. Standard deviation of the sampling distribution of mean

Accepted Answer

a-4, b-3, c-1, d-2

Answer

a-1, b-2, c-3, d-4

Answer

a-4, b-3, c-2, d-1

Answer

a-3, b-4, c-1, d-2

Question 7

Which one of the following statements is the correct interpretation of P-value ofless than 0.01 in hypothesis testing?

Accepted Answer

There is overwhelming evidence to infer that the alternative hypothesis is true

Answer

There is strong evidence to infer that the alternative hypothesis is true

Answer

There is weak evidence to indicate that the alternative hypothesis is true

Answer

There is no evidence to infer that the alternative hypothesis is true

Question 8

The standard error of the mean:

Accepted Answer

all of the above

Answer

decreases as the sample size increases

Answer

measures the variability of the mean from sample to sample

Answer

is less than the standard deviation of the population

Question 9

Most business and economic variables are of continuous nature and their behaviour is best described by a . . . . . . . . continuous curve.

Accepted Answer

bell shaped

Answer

oval shaped

Answer

cylindrical shaped

Answer

None of these