ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern): Questions 436 - 440 of 461

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Question number: 436

» Statistical Methods » Skewness and Kurtosis

MCQ▾

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 2

c.

SET 1

d.

None of the above

Question number: 437

» Statistical Methods » Curve Fitting and Orthogonal Polynomials

MCQ▾

Question

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

Choices

Choice (4) Response

a.

It can be applied to a discontinuous function on

b.

It always requires a constant weight function on

c.

None of the above

d.

Question does not provide sufficient data or is vague

Question number: 438

» Statistical Methods » Dispersion

MCQ▾

Question

If the mean return for an industry is 10 % with a standard deviation of 6%, out of 100 firms how many do you expect to have returns above 22%?

Choices

Choice (4) Response

a.

22 firms

b.

50 firms

c.

25 firms

d.

Question does not provide sufficient data or is vague

Question number: 439

» Statistical Methods » Association and Contingency

MCQ▾

Question

The value of measure of association, Cramer’s V of the given data set is ________.

Choices

Choice (4) Response

a.

0.25

b.

0.75

c.

0.33

d.

0.50

Question number: 440

» Statistical Methods » Skewness and Kurtosis

MCQ▾

Question

The length of stay on the cancer floor of Apolo Hospital was organized into a frequency distribution. The mean length of stay was 28 days, the medial 25 days and modal length is 23 days. The standard deviation was computed to be 4.2 days. Which of the following remark can be made on this frequency distribution?

Choices

Choice (4) Response

a.

Distribution is symmetrical

b.

Distribution is positively skewed

c.

Distribution is negatively skewed

d.

Question does not provide sufficient data or is vague

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