Question # 1

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

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1.645

1.96

2.33

2.58

The sum of the squares of deviation is least form:

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Mean

Mode

Median

Harmonic mean

The experiment means a well define:

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Action

Outcome

Sample space

None of these

Sum of dots when two dice are rolled is:

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Discrete variable

continuous variable

Constant

Qualitative variable

The regression coefficient of x on y is:

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Cov (x,y) / Var (x)

Cov (x,y) / Var (y)

Cov (x,y) / S.D (x)

Cov (x,y) / S.D (y)

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

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C

0

1

x

In hypergeometric distribution the trials are:

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Independent

Dependent

Both a and b

None of these

If any value is negative in the data then it is impossible to calculate:

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A.M

H.M

G.M

Mode

A disadvantage of range is that it is based on

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Absolute deviation

Squared deviations

Two extreme observation

Given N = 5 and n = 3 in simple random sampling with replacement how many possible samples are there?

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10

125

60

15

The properties of hypergeometric experiment are:

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Three

Four

Five

One

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NAT I General Science Statistics MCQs With Answers

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