Statistical Inference and Hypothesis Testing (ISS Statistics Paper II (New 2016 MCQ Pattern)): Questions 185 - 189 of 222

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Question number: 185

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

Question

A confidence interval is ________ of a Population parameter

Choices

Choice (4) Response

a.

Interval Estimate

b.

Point Estimate

c.

Maximum Estimate

d.

None of the above

Question number: 186

» Statistical Inference and Hypothesis Testing » Minimum Variance Unbiased Estimators

MCQ▾

Question

If a most efficient estimator Equation and a less efficient estimator Equation with efficiency Equation tend to joint normality for large samples, Equation has ________ correlation with Equation

Choices

Choice (4) Response

a.

No correlation

b.

Zero

c.

Negative

d.

Question does not provide sufficient data or is vague

Question number: 187

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

Question

Suppose we have Equation , Equation , Equation Then to compute 95 % confidence for Equation which critical point is used?

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

zα=z0.025α

d.

Equation

Question number: 188

» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator

MCQ▾

Question

An estimator is efficient, if its variance is________ the variance of any other estimator.

Choices

Choice (4) Response

a.

More than

b.

Similar to

c.

Less than

d.

Either b or c

Question number: 189

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

Question

Suppose we wish to estimate the average height of the tigers in India. We take a sample of 130 tigers and measure their heights. The mean height is 98.249 cms. The calculated standard deviation is Equation cms, then the confidence interval for the population mean at 95 % confidence limit is

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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