Statistical Inference and Hypothesis Testing (ISS (Statistical Services) Statistics Paper II (New 2016 MCQ Pattern)): Questions 90 - 93 of 222

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Question number: 90

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

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.

b.

256.89±290.68

c.

d.

Question number: 91

» Statistical Inference and Hypothesis Testing » Sufficient Estimator

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 S

b.

Dependent of

c.

Dependent of

d.

Independent of

Question number: 92

» Statistical Inference and Hypothesis Testing » Moments and Least Squares

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.

All of the above

d.

None of the above

Question number: 93

» Statistical Inference and Hypothesis Testing » Sufficient Estimator

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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