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ICS Part 2 Statistics Chapter 14 Online Test MCQs With Answers

Question # 1

Choose an answer

y-intercept

x-intercept

slope

none of these

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Question # 2

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S_xy

S_yx

b_xy

b_yx

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Question # 3

If constants are added to or subtracted from the values of the variables, the value of r

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is negative

is positive

is zero

remains unchanged

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Question # 4

The straight line graph of the linear equation Y = a + bX, the slope will be upward it_______.

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b = 0

b < 0

b > 0

b ≠ 0

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Question # 5

When b_xy is positive, then b_yx will be _______.

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Negative

Positive

Zero

One

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Question # 6

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

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Opposite

Estimated

Estimates

Random

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Question # 7

r_xy -------------- r_yx

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≠

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Question # 8

The value of the coefficient of correlation relies between__________.

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-1 and +1

0 and 1

-1 and 0

-0.5 and + 0.5

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Question # 9

Regression line x on y is

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Question # 10

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

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Qualitative

Correlation

Dependent

Independent

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Question # 11

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

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Regression

Regressor

Regressand

Coefficient

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Question # 12

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

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Regression

Regressor

Regressand

Estimated

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Question # 13

If b_yx = 0.89 and b_xy = 0.75, then r=

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0.89

0.28

0.98

0.82

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