Statistical Inference and Hypothesis Testing-Confidence Interval Estimation (ISS Statistics Paper II (New 2016 MCQ Pattern)): Questions 9 - 12 of 73

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Question number: 9

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

Question

Suppose The confidence interval is given by the relation Pθ(T1θT2)=1α . Then (1α) is called as the

Choices

Choice (4) Response

a.

Correlation Coefficient

b.

Confidence interval

c.

Confidence coefficient

d.

All of the above

Question number: 10

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

Question

For the Confidence Interval x¯±Zα2σn we use……. . and For the Confidence Interval x¯±tα2sn we use ……. .

Choices

Choice (4) Response

a.

Z -table, t- table

b.

t -table, Z- table

c.

Z -table, Poisson table

d.

Question does not provide sufficient data or is vague

Question number: 11

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

Question

A (1α)100% confidence interval for σ2 of the Normal distribution, when μ is unknown is given by

Choices

Choice (4) Response

a.

(ns2χ2(α/2),ns2χ2(1(α/2)))

b.

((n1)s2χ2(α/2),(n1)s2χ2(1(α/2)))

c.

((n1)s2t(α/2),(n1)s2t(1(α/2)))

d.

None of the above

Question number: 12

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

Question

If we increase the sample size and confidence interval at the same time then the length of the Confidence interval become

Choices

Choice (4) Response

a.

More

b.

Cannot be determined from the given information

c.

Remains the same

d.

Smaller

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