Question # 1

A ---------------- error is made by accepting H_o if H₁ is actually true

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type - I

type - II

type - III

type - IV

If the observations are paired and the number of pairs is n, then the number of degree of freedom is equal to

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n

n - 1

2n

2n - 1

Estimate is the observed value of an:

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Unbiased estimator

Estimation

Estimator

Interval estimation

In a normal distribution β₁ = 0 and β₂ = __________.

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2

4

3

5

For normal distribution mean always lies between.

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Median and mode

Median and Q₁

Median and Q₃

None of these

The secular trend is measured by the method of semi-averages when

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time series contains yearly values

trend is linear

time series contains odd number of values

none of these

If sampling is done without replacement then no

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Nⁿ

^NC_n

^Np_"

N x N

The descriptive measure on the sample observation is called ------------------

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parameter

statistic

error

true value

The estimates of the parameters=α and=β are

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μ and=σ2

a and b

μ andπ

χ2 and Z

If sampling is done without replacement then=σ =

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A sample is usually selected by_______.

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With

Without

Finite

Infinite

When b_xy is positive, then b_yx will be _______.

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Negative

Positive

Zero

One

The total area under the curve of chi-square distribution is_______.

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1

0.5

0 to ∞

-∞ to +∞

Drag and drop is a term associated with:

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Mouse

Keyboard

Printer

Scanner

The moment coefficient of skewness is

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β₁

β₂

S_k

m₃

The graph of time series is called:

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Histogram

Historigram

Straight line

Ogive

If Ho: μ <μoand H1:μ <μoand level of significance is=α then Ho will be rejected if

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Z < Z=α

Z < Z=α/2

Z < Z 1-α

Z < Z1-α/2

In a systematic sampling every ------------ unit is selected

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1^st

last

xth

normal

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ICS Part 2 Statistics Online Test MCQs With Answers

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