Question # 1

Non probability form of sampling is

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quota sampling

sampling with replacement

sampling without replacement

none of these

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

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1^st

last

xth

normal

If sampling is done without replacement then no

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Nⁿ

^NC_n

^Np_"

N x N

The trend values in freehand curve method are obtained by:

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Equation of straight line

Second degree parabola

Signal

Graph

A statistic on the basis of which a decision is made about the hypothesis of interest is called

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critical region

test statistic

parameter

rejection region

The probability density function has ------------------ value for every value of x.

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negative

positive

minimum

maximum

The endpoints of a confidence interval are called:

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confidence coefficient

Confidence limits

Error of estimation

Parameters

The equation of the quadratic (parabolic) trend is

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ŷ=a+bx

ŷ=a+by

ŷ=a+bΣx+cΣx²

ŷ=a+bx+cx²

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S_xy

S_yx

b_xy

b_yx

If any ultimate class frequency is negative the data will be

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inconsistent

consistent

correlated

composite

The graph of time series is called:

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Histogram

Historigram

Straight line

Ogive

Screen output is considered as a _________.

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Hardcopy

Softcopy

Input

Software

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

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positively skewed

negatively skewed

symmetrical

peaked

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 the value of any regression coefficient is zero, then two variable are _______.

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Qualitative

Correlation

Dependent

Independent

The measures of strength of closeness of linear relationship between two variables is called

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simple linear regression

composite linear regression

simple linear correlation

composite linear correlation

The _______ regression line always passes through (X̅, y̅).

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Opposite

Estimated

Estimates

Random

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

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Statistics Ics Part 2 Online Test MCQs With Answers

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