ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern): Questions 435 - 438 of 469

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Question number: 435

» Statistical Methods » Regression - Linear and Polynomial

MCQ▾

Question

If (constant term) and (coefficient of independent variable) are the coefficients within the liner regression equation, then which of the following statement is/are correct?

Choices

Choice (4) Response

a.

is the slope of the regression line.

b.

is the Y-intercept of the regression line.

c.

Both a. and b. are correct

d.

None of the above

Question number: 436

» Statistical Methods » Bivariate Normal Distribution

MCQ▾

Question

Let the random variable where and ∑= and . Then which of the following statement is correct regarding the value of?

Choices

Choice (4) Response

a.

is a matrix.

b.

is a matrix.

c.

is a matrix.

d.

All of the above

Question number: 437

» Statistical Methods » Association and Contingency

MCQ▾

Question

The value of , chi square statistic of the given data set is ________.

Choices

Choice (4) Response

a.

b.

c.

9.375

d.

All of the above

Question number: 438

» Statistical Methods » Charts, Diagrams and Histogram

MCQ▾

Question

Which of the following statement is/are not correct?

Choices

Choice (4) Response

a.

A frequency polygon is a closed figure that is formed by joining the top midpoints of all the rectangles of a histogram using a free hand.

b.

A frequency curve is a closed figure that is formed by joining the top midpoints of all the rectangles of a histogram using straight line.

c.

Both a. and b. are correct

d.

None of the above

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