# Hypothesis Testing Quiz 3

Multiple Choice Questions from Statistical Inference for the preparation of exams and different statistical job tests in Government/ Semi-Government or Private Organization sectors. These tests are also helpful in getting admission to different colleges and Universities. The Estimation and Hypothesis Testing Quiz will help the learner to understand the related concepts and enhance the knowledge too.

1. Since   $\alpha$= probability of Type I error, then $1 -\alpha$

2. In hypothesis testing, type II error is represented by $\beta$ and the power of the test is $1-\beta$ then

3. The average growth of a certain variety of pine trees is 10.1 inches in three years. A biologist claims that a new variety will have greater three-year growth. A random sample of 25 of the new variety has an average three-year growth of 10.8 inches and a standard deviation of 2.1 inches. The appropriate null and alternative hypotheses to test the biologist’s claim are:

4. In statistical testing of the hypothesis, what happens to the region of rejection when the level of significance $\alpha$ is reduced?

5. In testing the statistical hypothesis, which of the following statement(s) is false?

6. Which of the following statements is correct