NAT-IGS General Science Statistics Easy Test

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

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NAT-IGS General Science Statistics Easy Test

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Question # 1

The standard deviation of any sampling distn is called

Question # 2

If any value in the series is zero then it is impossible to calculate

Question # 3

Keyboard mouse and scanner are the ........devices

Question # 4

Accepting Ho /Ho is true

Question # 5

The data obtained from college record is

Question # 6

P or q cannot be greater than:

Question # 7

Standard deviation is calculated from harmonic mean:

Question # 8

For one-tailed test, when a = 0.05 then value of z is

Question # 9

The probability of drawing one green ball from a bag containing 6 red,8 black 10 yellow and one green ball is

Question # 10

The correlation coefficient would be

Question # 11

The probability of an event can never be

Question # 12

Which average cannot be compound if any value is less than zero

Question # 13

In a set of "n" elements the total number of subsets are:

Question # 14

The systematic arrangement of data in the form of rows and columns is called

Question # 15

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

Question # 16

E(X - μ)2 =

Question # 17

First moment about mean is always:

Question # 18

In unimodal distribution If mode is less than mean then distribution is

Question # 19

The variance of 5,5,5,5,5,is

Question # 20

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

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NAT-I Statistics Chapter 1 Important MCQ's

Sr.# Question Answer
1 Most frequent value of the data is called:
A. Mean
B. G.M
C. Mode
D. None of these
2 Keyboard mouse and scanner are the ........devices
A. Input
B. Output
C. Logical
D. None of these
3 The index numbers calculated by considering the relative importance of variables are called:
A. Un-weighted
B. Weighted
C. Simple
D. None
4 The normal distribution is ..........distribution
A. Positively skewed
B. Negatively skewed
C. Symmetrical
D. Meso kurtic
5 In moving average method we can't find trend values of some
A. Middle period
B. Starting and can periods
C. End periods
D. Starting periods
6 If all the values are of equal importance then index numbers are called:
A. Simple
B. Weighted
C. Un-weighted
D. Cost of living
7 Accepting Ho when Ho is true is a:
A. Type I error
B. Type II error
C. Correct decision
D. None of these
8 If two regression coefficients are 0.8 and 0.2 then correlation coefficient is
A. 0.16
B. -0.16
C. 0.40
D. -0.40
9 For the standardized normal variate P(0Σ z Σ1) =...............
A. 0.34135
B. 0.47725
C. 0.49867
D. 0.33725
10 In a Binomial prob.Distn it is impossible to find:
A. P (X < 0)
B. P (X = 0)
C. P( X > 0)
D. P(0Σ X Σ n

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