Question # 1

Most frequent value of the data is called:

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Mean

G.M

Mode

None of these

y = ax + b, then mode (y) = ---------

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Mode (x) a

Mode (x) + b

a mode (x)

None of these

Which is correct regarding the normal distribution

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b₁ = 3

b₂ = 0

Q.D = 0.7979 S

Q1 = m 0.6745S

If E (X) = 1.6 and E (Y) = 0.4, then E (X - Y) =--------------

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1.2

-0.2

2.0

None of these

The geometric mean of the values -2,4,-3,6,0 is:

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-3

0

3

Cannot be computed

Sum of the random errors is equal to:

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3

2

1

0

An after Eid sale in store is an example of

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Secular trend

Attributes

Constants

None of those

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

In the tossing of two perfect coins to probability at least one head occur is:

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2/2

1/4

3/4

1

E(X - μ)² =

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^Zero

S,D

Variance

Mean deviation

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NAT I General Science Statistics MCQs With Answers

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