1

AIEEE 2005

MCQ (Single Correct Answer)

+4

-1

If in a frequently distribution, the mean and median are 21 and 22 respectively, then
its mode is approximately

2

AIEEE 2005

MCQ (Single Correct Answer)

+4

-1

Let x

$$\sum {x_i^2} = 400$$ and $$\sum {{x_i}} = 80$$. Then a possible value of n among the following is

_{1}, x_{2},...........,x_{n}be n observations such that$$\sum {x_i^2} = 400$$ and $$\sum {{x_i}} = 80$$. Then a possible value of n among the following is

3

AIEEE 2004

MCQ (Single Correct Answer)

+4

-1

Consider the following statements:

(a) Mode can be computed from histogram

(b) Median is not independent of change of scale

(c) Variance is independent of change of origin and scale.

Which of these is/are correct?

(a) Mode can be computed from histogram

(b) Median is not independent of change of scale

(c) Variance is independent of change of origin and scale.

Which of these is/are correct?

4

AIEEE 2004

MCQ (Single Correct Answer)

+4

-1

In a series of 2n observations, half of them equal $$a$$ and remaining half equal $$–a$$. If the
standard deviation of the observations is 2, then $$|a|$$ equals

Questions Asked from Statistics (MCQ (Single Correct Answer))

Number in Brackets after Paper Indicates No. of Questions

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