Question # 1

The trend values in freehand curve method are obtained by:

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Equation of straight line

Second degree parabola

Signal

Graph

(α) = (αB) + ------------------

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(Aβ)

(AB)

(αβ)

(A)

The Level of ------------- of test is the maximum probability with which we are willing to a risk of type -I error

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correction

error

significance

statistics

The variable, whose resulting value depends upon the selected value of the independent variable is called______.

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Regression

Regressor

Regressand

Coefficient

For a 3 x 3 contingency table, the number of cells in the table are _________.

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3

4

6

9

Keyboard is commonly used_______device.

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Output

Input

Primary

Secondary

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

If (1-α) is increased, the with of a confidence interval is:

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Decreased

Increased

Constant

Same

Monitors, PC projectors and sound systems are

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soft copy output devices

real copy output devices

raw copy output devices

hardcopy output devices

Types of statistical inferences are

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one

two

three

four

The probability associated with confidence interval is called:

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Level of confidence

Confidence coefficient

Both A and B

Confidence limits

The straight line is fitted to a time series when the movements in the time series are

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linear

quadratic

cubic

constant

1 - α is the probability associated with:

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Type-I error

Type-II error

Level of confidence

Level of significance

The variable, that forms the basis of estimation, is called_______.

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Regression

Regressor

Regressand

Estimated

The degree of relationship between the two attributes is called

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regressor

correlation

regressand

association

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

The first commercially available computer was:

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ENIAC

UNIVAC

Mark I

Analytical engine

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6Σd₁

5Σd¹

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