Question # 1

The hypothesis which we are willing to accept when the null hypothesis is rejected is called

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simple hypothesis

composite hypothesis

null hypothesis

alternative hypothesis

The moment coefficient of skewness is

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β₁

β₂

S_k

m₃

Probability distribution of a statistic is called:

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Sampling

Parameter

Data

Sampling distribution

If the null hypothesis is false, we many accept it leading to a ----------- decision

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true

correct

wrong

none of these

Joystick is an example of:

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Input devices

Output devices

Processing devices

Storage devices

A quantitative statement about a population is called:

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Research hypothesis

Composite hypothesis

Simple hypothesis

Statistical hypothesis

In time series seasonal variations can occur within a period of:

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Nine years

Four Years

Three years

One year

If two attributes A and B are independent, then co-efficient of association is______.

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-1

+1

0

0.5

In case of normal distribution maximum value of ordinate is

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μ

Zero

For a least squares linear trend ŷ = a + bx, the Σ(y-ŷ)² = 0 when

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all the y-values lie on the line

all the y-values are positive

all the y-+values lie above the line

none of these

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

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Opposite

Estimated

Estimates

Random

The critical region of=χ2distribution is

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χ2 <χ2v; 1-α

χ2 <χ2v;1-α

χ2 <χ2 v;1-α/2

χ2 <χ2v;1-α/2

Regression line x on y is

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A high speed memory that is built in processor is called

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built in memory

cache memory

internal memory

external memory

μ - 2σ to=μ + 2σ contains approximately_______ area.

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75%

50%

95.45%

99.73%

Second moment about mean is also called

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mean

variance

skewness

standard deviation

Level of significance is also called:

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Power of the test

Size of the test

Level of confidence

Confidence coefficient

The alternative hypothesis is also called:

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Null hypothesis

Statistical hypothesis

Research hypothesis

Simple hypothesis

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Statistics Ics Part 2 Online Test MCQs With Answers

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