Question # 1

The probability of rejecting H_o when it is true is called

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Confidence co-efficient

Level of confidence

Size of test

power of the test

The normal distribution is ..........distribution

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Positively skewed

Negatively skewed

Symmetrical

Meso kurtic

P or q cannot be greater than:

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1

0

2/3

1/2

Var (2x + 3) is:

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5 var (x)

4 Var (x)

4 Var (x) +3

4 Var (x) +9

The lack of uniformity is called

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Skewness

Symmetry

Kurtosis

Dispersion

Second moment about mean is:

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0

1

Variance

Standard deviation

If for a contingency table d.f = 12 and the no of rows = 4 then the no of columns will be

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5

4

3

2

The hypothesis which is to be tested for possible rejection is

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Simple

Composite

Null

Alternative

In Random sampling the probability of selecting an item from the population is

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Unknown

Known

Undecided

One

In moving average method we can't find trend values of some

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Middle period

Starting and can periods

End periods

Starting periods

If R_xy = - 0.84 then r_xy is

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-0.84

0.84

0.42

None of these

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