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

CPT - Quantitative Aptitude Sample Questions

Question 1: 
What is spurious correlation?

(a) It is a bad relation between two variables.
(b) It is very low correlation between two variables.
(c) It is the correlation between two variables having no causal relation.
(d) It is a negative correlation.
Ans. (c)
Question 2: 
In case of an even number of observations which of the following is median ?
(a) Any of the two middle-most value
(b) The simple average of these two middle values.
(c) The weighted average of these two middle values
(d) Any of these.
Ans. (b)
Question 3: 
Mode of 0,3,5,6,7,9,12,0,2 is
(a) 6
(b) 0
(c) 3
(d) 5
Ans. (b)
Question 4: 
The line x = a + by represents the regression equation of
(a) y on x
(b) x on y
(c) Both of above
(d) None of above
Ans. (b)
Question 5: 
The entire upper part of a table is known as
(a) Caption
(b) Stub
(c) Box head
(d) Body
Ans. (c)
Question 6: 
In case ‘The ages of husbands and wives’ correlation is ______.
(a) Positive
(b) Negative
(c) Zero
(d) One
Ans. (a)
Question 7: 
Ogive is a
(a) Line diagram
(b) Bar diagram
(c) Both
(d) None.
Ans. (a)
Question 8: 
When ‘p’ = 0.5, the binomial distribution is
(a) Asymmetrical
(b) Symmetrical
(c) Both of above
(d) None of above.
Ans. (b)
Question 9: 
______ always lies in between the arithmetic mean & mode.
(a) G.M.
(b) H.M.
(c) Median
(d) G.M. and H.M.
Ans. (c)
Question 10: 
______ always lies in between the arithmetic mean & mode.
(a) G.M.
(b) H.M.
(c) Median
(d) G.M. and H.M.
Ans. (c)
Question 11: 
If the AM and GM for two numbers are 6.50 and 6 respectively then the two numbers are
(a) 6 and 7
(b) 9 and 4
(c) 10 and 3
(d) 8 and 5
Ans. (b)
Question 12: 
If all the observations are increased by 10, then
(a) SD would be increased by 10
(b) Mean deviation would be increased by 10
(c) Quartile deviation would be increased by 10
(d) All these three remain unchanged.
Ans. (d)
Question 13: 
A______ distribution is a theoretical distribution that expresses the functional relation between each of the distinct values of the sample statistic and the corresponding probability.
(a) Normal
(b) Binomial
(c) Poisson
(d) Sampling
Ans. (d)
Question 14: 
The sum of square of first n natural number is __________.
(a) (n/ 2) (n +1)
(b) (n/ 6) (n +1) (2n +1)
(c) [(n/ 2) (n +1)]2
(d) None of above.
Ans. (b)
Question 15: 
A population comprises 5 members. The number of all possible samples of size 2 that can be drawn from it with replacement is
(a) 100
(b) 15
(c) 125
(d) 25
Ans. (c)