# Statistics MCQS for NTS Set 5

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In a 2 x 2 contingency table degrees of freedom is:
2
8
4
1

In hypergeometric distribution trials are:
Independent
Constant
Dependent
None of these

The probability of drawing one green ball from a bag containing 6 red,8 black 10 yellow and one green ball is
0
15/20
13-Apr
25-Jan

An arrangement of data to show the frequency of occurrence is called
Data array
Cumulative distribution
Probability distribution
Frequency distribution

E(X – ?)2 =
Mean deviation
Variance
S,D
Zero

The geometric mean of the values -2,4,-3,6,0 is:
3
Cannot be computed
0
-3

The hypothesis which is tested for possible rejection is called
Null hypothesis
None of these
Alternative hypothesis
Wrong hypothesis

If P(A) = 0.3, P(B) = 0.8, P(A C B)= 0.24, then the events A & B are
Independent
Mutually exclusive
Not independent
Equally likely

The correlation coefficient would be
-1.95
1.95
0.95
None of these

A misfit person is not selected for the job
Type I error
Type II error
Nor error
Sampling error

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