ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern): Questions 403 - 409 of 471

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Passage

Use the following information, to answer the questions below:

Let and be jointly normal random variables with parameters , , , and .

Question number: 403 (3 of 3 Based on Passage) Show Passage

» Statistical Methods » Bivariate Normal Distribution

MCQ▾

Question

The value of is ________.

Choices

Choice (4) Response

a.

0.2819

b.

c.

d.

Passage

Study the graph carefully to answer the questions that follows:

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

Question number: 404 (1 of 5 Based on Passage) Show Passage

» Statistical Methods » Charts, Diagrams and Histogram

MCQ▾

Question

If the income of company Y in the year 2014 was 15 lakhs, what was its expenditure in that year?

Choices

Choice (4) Response

a.

Rs. 9 lakhs

b.

Rs. 10 lakhs

c.

Rs. 8 lakhs

d.

All of the above

Question number: 405 (2 of 5 Based on Passage) Show Passage

» Statistical Methods » Charts, Diagrams and Histogram

MCQ▾

Question

If the expenditure of company Z in the year 2011 was 14.44 lakhs, what was its income in that year?

Choices

Choice (4) Response

a.

Can’t be determined

b.

Rs. 22.44 lakh

c.

Rs. 17.5 lakh

d.

Rs. 16.22 lakh

Question number: 406 (3 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: 407 (4 of 5 Based on Passage) Show Passage

» Statistical Methods » Charts, Diagrams and Histogram

MCQ▾

Question

What is the percent increase in profit made by company X over the years?

Choices

Choice (4) Response

a.

150

b.

60

c.

200

d.

Question does not provide sufficient data or is vague

Question number: 408 (5 of 5 Based on Passage) Show Passage

» Statistical Methods » Charts, Diagrams and Histogram

MCQ▾

Question

Profit made by company Z in the year 2013 was what percent of total profit made by all the three companies in that year?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 409

» 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

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