ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern): Questions 457 - 461 of 472

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Question number: 457

» Computer Application and Data Processing » Basics of Computer » Operations of a Computer

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MCQ▾

Question

Real – time systems are used:

Choices

Choice (4)Response

a.

When data processed very slowly

b.

When two users use one programs

c.

In time critical environments where data must be processed extremely quickly

d.

Question does not provide sufficient data or is vague

Question number: 458

» Computer Application and Data Processing » Basics of Computer » Operations of a Computer

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MCQ▾

Question

The key objective of a distributed operating system is:

Choices

Choice (4)Response

a.

Transparency

b.

Execution

c.

Working simultaneously with two programs

d.

Interaction of i/p and o/p

Question number: 459

» Probability » Tchebycheff's Inequalities

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Question

Let . Using Chebyshev’s inequality, find an upper bound on , where . Evaluate the bound for and .

Choices

Choice (4)Response

a.

b.

c.

d.

None of the above

Question number: 460

» Probability » Tchebycheff's Inequalities

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MCQ▾

Question

While tossing 100 coin let H count the number of heads. Then what is the bound probability of using Tchebycheff’s Inequality?

Choices

Choice (4)Response

a.

0.67

b.

0.75

c.

0.50

d.

0.33

Question number: 461

» Statistical Methods » Non-Parametric Tests » Mann-Whitney

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MCQ▾

Question

Which statement is correct for Mann-Whitney U Test?

Statement 1: It is a non-parametric test

Statement 2: Non-parametric test that is used to compare two sample means that come from the same population, and used to test whether two sample means are equal or not

Choices

Choice (4)Response

a.

Only Statement 1 is correct

b.

Only Statement 2 is correct

c.

Statements 1 and 2 are correct

d.

Statements 1 and 2 are incorrect

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