Question # 1

Assembly language is also known as

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objective language

syntax language

character language

symbolic language

Regression line x on y is

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The regression equation always passes throught_________.

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(X, Y)

(X, y̅)

(X̅, Y)

(X̅, y̅)

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

Sample is a sub-set of ________.

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Population

Data

Set

Distribution

1 kb = _____________ bytes

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10

100

1000

10,000

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

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2

4

3

5

Second moment about mean is also called

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mean

variance

skewness

standard deviation

ŷ=a+bx, this line will be called least squares line if it makes=Σ(y-a-bx)2

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maximum

constant

minimum

variable

List of all the units of the population is called______.

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Random sampling

Bias

Sampling frame

Probability sampling

The probability associated with confidence interval is called:

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Level of confidence

Confidence coefficient

Both A and B

Confidence limits

The alternative hypothesis always contains the sign of

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equality

inequality

ratio

proportion

For a least squares linear trend=ŷ= a + b x,

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Σy <Σŷ

Σŷ = 0

Σy =Σŷ

none of these

If sampling is done without replacement then no

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Nⁿ

^NC_n

^Np_"

N x N

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

Hypothesis that does not completely specify the underlying population distribution is called

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simple hypothesis

dual hypothesis

composite hypothesis

common hypothesis

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

Another name of probability sampling is________ sampling.

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Random

Non-random

Error

Bias

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