CPT Quantitative Aptitude sample Questions - Set 2

Question 1:

Regression analysis is concerned with

(a) Establishing a mathematical relationship between two variables.

(b) Measuring the extent of association between two variables.

(c) Predicting the value of the dependent variable for a given value of the independent variable.

(d) Both (a) and (c).

Question 2:

Which of the following statements is true?

(a) Usually mean is the best measure of central tendency.

(b) Usually median is the best measure of central tendency.

(c) Usually mode is the best measure of central tendency.

(d) Normally, GM is the best measure of central tendency.

Question 3:

Which measure of dispersion is based on all the observations?

(a) Mean deviation

(b) Standard deviation

(c) Quartile deviation

(d) (a) and (b) but not (c)

Question 4:

Scatter diagram helps us to

(a) Find the nature correlation between two variables.

(b) Compute the extent of correlation between two variables.

(c) Obtain the mathematical relationship between two variables.

(d) Both (a) and (c).

Question 5:

If the plotted points in a scatter diagram lie from upper left to lower right, then the correlation is_______.

(a) Positive

(b) Zero

(c) Negative

(d) None of these

Question 6:

The mean salary for a group of 40 female workers is 5200 per month and that for a group of 60 male workers is 6800 per month. What is the combined mean salary?

(a) 6500

(b) 6200

(c) 6160

(d) 6100

Question 7:

A town has a total population of 50,000. Out of it 28,000 read the newspaper X and 23000 read Y while 4000 read both the papers. The number of persons not reading X and Y both is

(a) 2000

(b) 3000

(c) 2500

(d) None of these

Question 8:

In how many ways can 8 persons be seated at a round table? In how many cases will 2 particular persons sit together?

(a) 5040

(b) 4050

(c) 450

(d) 540

Question 9:

Five times of a positive whole number is 3 less than twice the square of the number. The number is

(a) 3

(b) 4

(c) –3

(d) 2

Question 10:

What is the present value of Re.1 to be received after two years compounded annually at 10%?

(a) 0.73

(b) 0.83

(c) 0.93