ISS (Statistical Services) Statistics Paper II (New 2016 MCQ Pattern): Questions 113 - 117 of 253

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Question number: 113

» Statistical Inference and Hypothesis Testing » Characteristics of Good Estimator

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MCQ▾

Question

is an ________ where as is an ________

Choices

Choice (4)Response

a.

Estimate and an estimator

b.

Estimator and an estimate

c.

None of the above

d.

All of the above

Question number: 114

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

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MCQ▾

Question

Suppose we want to estimate the mean amount of money spent by students on some project in a year. We have the following data of 10 randomly selected students. and calculated sample mean is 249 Rs. and standard deviation is 30 Rs. 95 % Confidence interval for is:

Choices

Choice (4)Response

a.

256.89±290.68

b.

c.

d.

Question number: 115

» Statistical Inference and Hypothesis Testing » Sufficient Estimator

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MCQ▾

Question

Let be a random sample from a density function . A statistics

is said to be sufficient statistics if the conditional distribution of given T

Choices

Choice (4)Response

a.

Independent of

b.

Dependent of

c.

Independent of S

d.

Dependent of

Question number: 116

» Statistical Inference and Hypothesis Testing » Moments and Least Squares

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MCQ▾

Question

Method of least squares consists of

Choices

Choice (4)Response

a.

Minimizing the sum of squares of residuals

b.

Maximizing the sum of squares of residuals

c.

Question does not provide sufficient data or is vague

d.

None of the above

Question number: 117

» Statistical Inference and Hypothesis Testing » Sufficient Estimator

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MCQ▾

Question

If a statistics is a sufficient statistics for a parameter of the density function , then the conditional distribution of is ………. of for any value of

Choices

Choice (4)Response

a.

Dependent

b.

Either dependent or Independent

c.

Independent

d.

All of the above

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