Question # 1

List of all the units of the population is called______.

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Random sampling

Bias

Sampling frame

Probability sampling

Confidence intervals which are often used in practice are

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90%

95%

98%

all of these

In case of normal distribution maximum value of ordinate is

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μ

Zero

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6Σd₁

5Σd¹

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

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2

4

3

5

The standard error of the estimate increased by decreasing

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population

sample size

errors

precision

If mean of the sampling distribution is equal to the parameter then the estimator will be

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biased

consistent

sufficient

unbiased

A numerical characteristic calculated from sample is called:

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Sample unit

Sample design

Statistic

Parameter

100(1-α)% confidence interval for population proportion of success,&=nbsp;π is

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P (L <μ < U) = 1 - α

P (L <σ < U) = 1 - α

P (L <π< U) = 1 - α

P (L <P&=nbsp;< U) = 1 - α

The degree of confidence is equal to:

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β

1 - β

1 - α

α

Which error is occurred when the defendant were found guilty if, infect the defendant is innocent

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type-I

type-II

no error

both a and b

1MB equals

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1048576 bytes

1024 bytes

2048 bytes

2380 bytes

Random sampling provides reliable -------------------

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values

attributes

variables

estimates

The alternative hypothesis always contains the sign of

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equality

inequality

ratio

proportion

Which output is permanent ?

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hard copy

real copy

soft copy

none of these

The normal distribution is a _______.

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Positive

Negative

Discrete

Continuous

The multiplicative time series model is:

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Y = T + S + C + I

TSCI

Y = a + bX

Y = a + bX + cX²

A binary digit is commonly called:

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Byte

Kilobyte

Gigabyte

Bit

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Statistics Ics Part 2 Online Test MCQs With Answers

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