Statistical Inference and Hypothesis Testing-Confidence Interval Estimation (ISS Statistics Paper II (New 2016 MCQ Pattern)): Questions 69 - 72 of 73

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Question number: 69

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

Question

If x¯ is the sample mean of a random sample of size n ( n > 30) from a Normal population with known variance σ2 , a 100(1α)% Confidence Interval (CI) on μ is given by

Choices

Choice (4) Response

a.

(x¯t1α2σn,x¯+t1α2σn)

b.

(x¯zα2σn,x¯+zα2σn)

c.

(x¯tα2σn,x¯+tα2σn)

d.

Question does not provide sufficient data or is vague

Question number: 70

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

Question

In the expression P(c1<θ<c2)=1α , constants c1andc2 are called as________ and the quantity (1α) is called as ________

Choices

Choice (4) Response

a.

Power limits, Maximum interval

b.

Control limits, partial coefficient

c.

Confidence limits, Confidence coefficient

d.

Maximum limits, Minimum limit

Question number: 71

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

Question

A confidence interval (CI) is a type of interval estimate of a________

Choices

Choice (4) Response

a.

Complete statistics

b.

Normal distribution

c.

Population parameter

d.

Question does not provide sufficient data or is vague

Question number: 72

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

Question

Suppose we want to find out the mean milk yield of the cows in India, a survey of 66831 cows was made and the mean milk yield was 12.5 liter with a standard deviation of 4.3 liter. Then the 95 % confidence interval for the average milk yield is

Choices

Choice (4) Response

a.

[11.46, 13.53]

b.

[10.46, 12.53]

c.

[12.46, 12.53]

d.

[10.46, 11.53]

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