NAT-IGS General Science Statistics Hard Test

MCQ's Test For NAT-IGS General Science Statistics Hard Test

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NAT-IGS General Science Statistics Hard Test

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Question # 1

The range of constant "A" is equal to

Question # 2

A specific value calculated from sample is called

Question # 3

The hypothesis which is tested for possible rejection is called

Question # 4

The graph of time series is called

Question # 5

Sum of dots when two dice are rolled is:

Question # 6

Variance of the values 8,8,8,8,8,is:

Question # 7

A graph of time series is called

Question # 8

In which distribution the successive trials are with replacement:

Question # 9

Total angle of a pie chart is

Question # 10

The sum of the squares of deviation is least form:

Question # 11

The standard deviation of any sampling distn is called

Question # 12

G.M of three numbers 2,4,8 is:

Question # 13

Shortage of certain consumer goods before annual budget

Question # 14

Movement in secular trend

Question # 15

Second moment about mean is:

Question # 16

How many types of dispersion

Question # 17

A misfit person is not selected for the job

Question # 18

Binomial distribution has parameters:

Question # 19

E(X - μ)2 =

Question # 20

A perfect positive correlation is signified by

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NAT-I Statistics Chapter 1 Important MCQ's

Sr.# Question Answer
1 The median of A,S,S,O,C,I,A,T,E is:
A. S
B. O
C. I
D. None of them
2 Given var (x) = 3 and var (y) = 5.1 f x and y are independent variables then var (x- y)=
A. -2
B. 8
C. 24
D. 2
3 Two attributes are independent if
A. (AB) = (A)(B) / N
B. (AB) 1 (A)(B) / N
C. (AB) > (A)(B) / N
D. (AB) < (A)(B) / N
4 Accepting Ho /Ho is true
A. No error
B. type I error
C. Type II error
D. A
5 Variance is always calculated from:
A. Mean
B. Median
C. Geometric mean
D. Mode
6 Mean deviation is least when deviations are taken from:
A. Mean
B. Median
C. Mode
D. H.M
7 The index numbers calculated by considering the relative importance of variables are called:
A. Un-weighted
B. Weighted
C. Simple
D. None
8 If 'C' is a non-random variable then E (C) is:
A. C
B. 0
C. 1
D. x
9 If right tail is longer than the left tail,then distribution is called:
A. Negatively skewed
B. Positively skewed
C. Symmetrical
D. None of these
10 A complete list of elements in a population is called
A. Population
B. Sampling design
C. Sampling frame
D. Sampling Unit

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