ISS (Statistical Services) Statistics Paper II (New 2016 MCQ Pattern): Questions 226 - 231 of 253

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Question number: 226

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

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MCQ▾

Question

The width of the confidence interval depends on the

Choices

Choice (4) Response

a.

Critical Value

b.

Level of confidence

c.

Standard error.

d.

All a. , b. and c. are correct

Question number: 227

» Statistical Inference and Hypothesis Testing » Estimation Methods of Maximum Likelihood

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MCQ▾

Question

A Maximum Likelihood Estimate (MLE) is not necessarily________

Choices

Choice (4) Response

a.

Consistent

b.

Unbiased

c.

Question does not provide sufficient data or is vague

d.

None of the above

Question number: 228

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

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MCQ▾

Question

If we decrease the sample size, keeping the confidence level the same, then the length of the confidence interval will

Choices

Choice (4) Response

a.

It will stay the same

b.

Cannot be determined with the given information

c.

Increase

d.

Decrease

Question number: 229

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

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MCQ▾

Question

As the sample size increases the length of the confidence interval………….

Choices

Choice (4) Response

a.

Decreases

b.

Cannot be determined with the given information

c.

It will stay the same

d.

Increases

Question number: 230

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

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MCQ▾

Question

Formula for obtaining 95 % confidence limits for the mean μ of a Normal population with mean μ and standard deviation σ are

Choices

Choice (4) Response

a.

b.

c.

d.

All a. , b. and c. are correct

Question number: 231

» Statistical Inference and Hypothesis Testing » Moments and Least Squares

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MCQ▾

Question

The method of least square estimation is mostly used in estimating the parameters of ________ function

Choices

Choice (4) Response

a.

Discrete

b.

Linear

c.

Continuous

d.

All of the above