Statistical Inference and Hypothesis Testing (ISS (Statistical Services) Statistics Paper II (New 2016 MCQ Pattern)): Questions 126 - 130 of 222

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 246 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 200.00 or

Question number: 126

» Statistical Inference and Hypothesis Testing » Cramer-Rao Inequality

MCQ▾

Question

Cramer-Rao Inequality provides a ________ to the variance of an unbiased estimator for a parameter.

Choices

Choice (4) Response

a.

Lower bound

b.

Upper bound

c.

Upper bound and Lower bound

d.

All of the above

Question number: 127

» Statistical Inference and Hypothesis Testing » Simple and Composite Hypotheses

MCQ▾

Question

________ states that there is statistical difference between two variables.

Choices

Choice (4) Response

a.

Simple Hypothesis

b.

Null Hypothesis

c.

Alternative Hypothesis

d.

Statistical hypothesis

Question number: 128

» Statistical Inference and Hypothesis Testing » Confidence Interval Estimation

MCQ▾

Question

In a college survey, children were asked how many hours they study per day. A sample of 22 children is collected. The mean was 3.25 hours with a standard deviation of 1.57 hours. Then 95 % confidence interval for the number of hours of study per day is

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 129

» Statistical Inference and Hypothesis Testing » Simple and Composite Hypotheses

MCQ▾

Question

A hypothesis that says there is no statistical significance between the two variables is known as

Choices

Choice (4) Response

a.

Null hypothesis

b.

Composite hypothesis

c.

Alternative Hypothesis

d.

Simple Hypothesis

Question number: 130

» Statistical Inference and Hypothesis Testing » Moments and Least Squares

MCQ▾

Question

The estimators obtained by the method of moments under general conditions are ________efficient than Maximum Likelihood Estimators.

Choices

Choice (4) Response

a.

Equally

b.

More

c.

Less

d.

Question does not provide sufficient data or is vague

f Page
Sign In