Statistical Inference and Hypothesis Testing (ISS (Statistical Services) Statistics Paper II (New 2016 MCQ Pattern)): Questions 156 - 160 of 222

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Question number: 156

» Statistical Inference and Hypothesis Testing » Sufficient Estimator

MCQ▾

Question

A statistic Equation is called as ________ Estimator for the parameter θ, if the conditional distribution of Equation given T does not depend on θ.

Choices

Choice (4) Response

a.

Unbiased

b.

Maximum Likelihood estimator

c.

Efficient

d.

Sufficient

Question number: 157

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

Question

A survey of 200 factory workers provides a sample mean of 7.10 hours worked. What is the 95 % confidence interval based on this sample. Calculated standard deviation is 5 hours.

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Both a. and b. are correct

Question number: 158

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

Question

The 99 % confidence interval for Equation of the normal population is given by

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 159

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

Question

It is given that n = 1029, Equation and Equation . Then the 90 % Confidence Interval for the population mean Equation is given by

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 160

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

Question

Suppose we take a random sample from some population and obtain a 96 % confidence interval for the population mean, Equation , then which quantity is guaranteed to be in the interval?

Choices

Choice (4) Response

a.

μ

b.

s

c.

Equation

d.

μ & s

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