ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern): Questions 433 - 436 of 471

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Question number: 433

» Statistical Methods » Dispersion

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MCQ▾

Question

Which of the following relationship holds between mean deviation (M. D. ) from the mean and the standard deviation (S. D. ) of any discrete distribution?

Choices

Choice (4) Response

a.

No relationship exist between S D and M D

b.

S D M D

c.

S D M D = 1 (always)

d.

S D M D

Question number: 434

» Statistical Methods » Skewness and Kurtosis

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Question

Which of the following statement is/are correct?

Choices

Choice (4) Response

a.

A distribution that is more peaked than normal is called platykurtic.

b.

A distribution that is less peaked than normal is called leptokurtic.

c.

A distribution identical to the normal distribution is called mesokurtic.

d.

None of the above

Question number: 435

» Statistical Methods » Skewness and Kurtosis

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Question

Following is the two sets of data:

SET 1: 1 2 3 4 5 6 7 8 9 9

SET 2: 1 2 3 4 5 6 7 8 9 9 9 9 9 9 9 9 9 9 9 9 10 12 12 13

If, somebody desires to calculate the Pearson’s Coefficient of Skewness (mode) then, which of the two sets will give stable measure of central tendency?

Choices

Choice (4) Response

a.

SET 1 and SET 2 are equally stable measure

b.

SET 1

c.

SET 2

d.

None of the above

Question number: 436

» Statistical Methods » Curve Fitting and Orthogonal Polynomials

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MCQ▾

Question

Which of the following statement is/are correct regarding Least- Squares Approximation using Orthogonal Polynomial?

Choices

Choice (4) Response

a.

It always requires a constant weight function on

b.

It can be applied to a discontinuous function on

c.

None of the above

d.

All of the above