Question # 1

If P(A) = 0.3, P(B) = 0.8, P(A C B)= 0.24, then the events A & B are

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Mutually exclusive

Equally likely

Independent

Not independent

In a normal distribution S² = 5 them m₄ is

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25

75

0

In Mesokurtic distribustion

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m₄ < 3s⁴

m₄ = 3s⁴

m₄ ¹ 3s⁴

m₄ > 3s⁴

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

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S

O

I

None of them

How many types of dispersion

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2

3

4

None of these

P or q cannot be greater than:

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1

0

2/3

1/2

E |X- M| =

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Zero

Mean deviation

S.D

Variance

Variance remains unchanged by change of:

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Origin

Scale

Both

None of them

If R_xy = - 0.84 then r_xy is

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-0.84

0.84

0.42

None of these

The average value of the lower and upper limits of a class is called:

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Class boundry

Class frequency

Mid point

Class interval

Rejecting H_o if H_o is true is

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No error

Type-I error

Type-II error

Standard error

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NAT I General Science Statistics MCQs With Answers

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