Question # 1

The grouped data is:

Choose an answer

Primary

Secondary

Raw data

None of these

Probability of an event always lies between

Choose an answer

-1 and +1

-1 and 0

0 and 1

0 and ∞

If 'C' is a non-random variable then E (C) is:

Choose an answer

C

0

1

x

If 'c' is a non-random variable then E(c) is:

Choose an answer

Zero

C

Two

None of these

If z = x - y then ̅̅̅̅̅̅z̅ is:

Choose an answer

x̅+y̅

x̅ - y̅

0

x̅y̅

The median of A,S,S,O,C,I,A,T,E is:

Choose an answer

S

O

I

None of them

A graph of time series is called

Choose an answer

Histogram

Polygon

Straight line

Historigram

Number of ways a committee of 3 members can be selected from 5 members of a club is

Choose an answer

10

60

15

120

How many basic types of index numbers are?

Choose an answer

2

3

5

4

The harmonic mean of two numbers a and b is:

Choose an answer

2ab/ a+ b

2 / a +b

ab / a + b

a + b/ ab

In normal distribution P (m^-d sΣ x Σ m+ s)

Choose an answer

0.9973

0.9545

0.6827

None

More Classes

Other Links

NAT I General Science Statistics MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer