Question # 1

The binomial distribution is symmetrical when

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p = q

p > q

p < q

None of these

If b_yx < 0 and b_xy < 0 then "r"

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=0

<0

>0

¹ 0

If mena = 40, Mode =42, then distribution is:

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+ skew

- skew

Symmetrical

All of these

If a pair of dice is rolled then the sample space consists of outcomes

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6

12

36

24

If right tail is longer than the left tail,then distribution is called:

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Negatively skewed

Positively skewed

Symmetrical

None of these

For positively skewed binomial distribution

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p = 0

p < 0.5

p > 0.5

p = 0.5

A disadvantage of range is that it is based on

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Absolute deviation

Squared deviations

Two extreme observation

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

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Symmetrical

Normal

Positively skewed

Negatively skewed

P_n/ P_n-1 100 is equal to:

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Price relative

Chain indices

Link relative

None of these

The probability of red card out of 52 cards is:

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1/4

1/2

4/52

Zero

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

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NAT I General Science Statistics MCQs With Answers

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