# 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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