ISS Statistics Paper II (New 2016 MCQ Pattern): Questions 204 - 209 of 246

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Question number: 204

» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator

MCQ▾

Question

If T is an unbiased estimator for θ , then T2 is biased estimator of

Choices

Choice (4) Response

a.

1θ

b.

c.

θ

d.

θ2

Question number: 205

» Statistical Inference and Hypothesis Testing » Moments and Least Squares

MCQ▾

Question

The set of equations obtained in the process of Least square estimation are called

Choices

Choice (4) Response

a.

Simultaneous Equations

b.

Normal Equations

c.

Continuous Equations

d.

None of the above

Question number: 206

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

Question

Find the 95 % Confidence Interval for μ with the following information.

n=4 , x¯=0.99 , s=0.032

Choices

Choice (4) Response

a.

[1.8, 1.99]

b.

0.94μ1.04

c.

1.9±0.098

d.

None of the above

Question number: 207

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

Question

If the sample size is small and σ is unknown, then the Confidence Interval (CI) is given by

Choices

Choice (4) Response

a.

x¯±Zα2σn

b.

x¯±tα2sn

c.

x¯±ns2χ2(α/2)

d.

All of the above

Question number: 208

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

Question

A data on the weight of 200 coconuts yield a mean of 2.49 and a standard deviation 0.674. 96 % confidence interval for population mean is:

Choices

Choice (4) Response

a.

[2.39, 2.58]

b.

[0.0674, 2.51]

c.

[127.29, 200]

d.

All of the above

Question number: 209

» 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

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