ISS (Statistical Services) Statistics Paper II (New 2016 MCQ Pattern): Questions 152 - 155 of 253

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Question number: 152

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

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MCQ▾

Question

In a college survey, children were asked how many hours they study per day. A sample of 22 children is collected. The mean was 3.25 hours with a standard deviation of 1.57 hours. Then 95 % confidence interval for the number of hours of study per day is

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 153

» Statistical Inference and Hypothesis Testing » Simple and Composite Hypotheses

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MCQ▾

Question

A hypothesis that says there is no statistical significance between the two variables is known as

Choices

Choice (4)Response

a.

Null hypothesis

b.

Composite hypothesis

c.

Alternative Hypothesis

d.

Simple Hypothesis

Question number: 154

» Statistical Inference and Hypothesis Testing » Moments and Least Squares

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MCQ▾

Question

The estimators obtained by the method of moments under general conditions are ________efficient than Maximum Likelihood Estimators.

Choices

Choice (4)Response

a.

More

b.

Less

c.

Equally

d.

All of the above

Question number: 155

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

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MCQ▾

Question

A school wants to study the number of days the students will be absent from school per year. It surveys attendance of 10 children and the number of days the children is absent from schools are

Samples from schools and days

What are the readings of the family?

12

13

9

11

7

8

4

9

5

8

Standard deviation Then 99 % Confidence interval on population mean is

Choices

Choice (4)Response

a.

5.64≤μ≤11.56

b.

c.

Both a. and b. are correct

d.

Question does not provide sufficient data or is vague

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