Statistical Inference and Hypothesis Testing-Confidence Interval Estimation (ISS (Statistical Services) Statistics Paper II (New 2016 MCQ Pattern)): Questions 14 - 17 of 73

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Question number: 14

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

Question

It is given that sample size Equation , Equation sample meanEquation and sample standard deviation Equation . Then 95 % Confidence Interval would be

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

All of the above

Question number: 15

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

Question

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

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 16

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

Question

The Government conducts national survey to study about the home gardening.

A random sample of 250 households is taken, which have their own vegetable gardens. The average size of their gardens is 643 sq. ft. The calculated standard deviation is σ = 247 sq. ft. Then 90 % confidence interval for the mean size µ, of all household vegetable gardens is

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 17

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

Question

Formula for the Confidence interval with Equation confidence coefficient for the variance Equation of the Normal distribution Equation when Equation is known, is given by

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Both a. and b. are correct

d.

Question does not provide sufficient data or is vague

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