Statistical Inference and Hypothesis Testing-Confidence Interval Estimation (ISS (Statistical Services) Statistics Paper II (New 2016 MCQ Pattern)): Questions 1 - 5 of 73

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Question number: 1

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

Question

It is given that Equation , Equation and Equation . Then the 95 % Confidence Interval for the population mean

Choices

Choice (4) Response

a.

1725.61 ± 222.45

b.

1725.61 ± 897.36

c.

18 ± 222.45

d.

1725.61 ± 110.69

Question number: 2

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

Question

The diameter of cylindrical rods is assumed to be normally distributed with a standard deviation of 0.91 cm. A sample of 25 rods has a mean diameter of 4.5 cm. 95 % confidence limits for population mean are:

Choices

Choice (4) Response

a.

1.9±0.098

b.

Equation

c.

Equation

d.

All of the above

Question number: 3

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

Question

As the level of confidence level decreases, the size of the corresponding interval will

Choices

Choice (4) Response

a.

Increase

b.

Decrease

c.

Remains the same

d.

Question does not provide sufficient data or is vague

Question number: 4

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

Question

It is given that Equation , Equation , Equation . then 90 % Confidence Interval for Equation is

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

All of the above

Question number: 5

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

Question

Equation is the Confidence intervals for Equation when …… and Equation is the Confidence intervals for Equation when …. .

Choices

Choice (4) Response

a.

Equation and Equation

b.

Equation and Equation

c.

Equation and Equation

d.

All of the above

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