ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern): Questions 418 - 422 of 469

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Created with Highcharts 5.0. 10YearsProfitProfit of three companies223333115544556677665566449988Company XCompany YCompany Z2012201320142015201602.557.5102013Company Z: 6

Question number: 418 (5 of 5 Based on Passage) Show Passage

» Statistical Methods » Charts, Diagrams and Histogram

MCQ▾

Question

What is the percent increase in profit of company X in the year 2013 from the previous year?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 419

» Statistical Methods » Regression - Linear and Polynomial

MCQ▾

Question

What is the relationship between correlation coefficient and coefficient of determination?

Choices

Choice (4) Response

a.

No relation exists.

b.

The coefficient of determination is the square of the correlation coefficient.

c.

The coefficient of determination is the square root of the correlation coefficient.

d.

Correlation coefficient and coefficient of determination are equal

Question number: 420

» Statistical Methods » Skewness and Kurtosis

MCQ▾

Question

Suppose we have the following observations:

{12 13 54 56 25}

Determine the type of kurtosis present.

Choices

Choice (4) Response

a.

More information required for calculation.

b.

Platykurtic

c.

Leptokurtic

d.

Mesokurtic

Question number: 421

» Statistical Methods » Regression - Linear and Polynomial

MCQ▾

Question

The strength (degree) of the correlation between a set of independent variables X and a dependent variable Y is measured by________.

Choices

Choice (4) Response

a.

Coefficient of Correlation

b.

Coefficient of Determination

c.

Both a. and b. are correct

d.

Question does not provide sufficient data or is vague

Question number: 422

» Statistical Methods » Curve Fitting and Orthogonal Polynomials

MCQ▾

Question

The linear least squares approximation of on using monomial polynomials is . Then the values of and is ________ and ________ respectively.

Choices

Choice (4) Response

a.

and

b.

and

c.

and

d.

and

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