Hypotesis Testing Using t - test

1. What is the first step in hypothesis testing?

• A. Compute the test value

• B. Find the critical value(s)

• C. Make the decision to reject or not reject the null hypothesis

• D. State the hypotheses and identify the claim

2. 2. What is the second step in hypothesis testing?

• A. Compute the test value

• B. Find the critical value(s)

• C. Make the decision to reject or not reject the null hypothesis

• D. State the hypotheses and identify the claim

3. What is the third step in hypothesis testing?

• A. Compute the test value

• B. Find the critical value(s)

• C. Make the decision to reject or not reject the null hypothesis

• D. State the hypotheses and identify the claim

4. What is the fourth step in hypothesis testing?

• A. Compute the test value

• B. Find the critical value(s)

• C. Make the decision to reject or not reject the null hypothesis

• D. Summarize the results.

5. What is the last step in hypothesis testing?

• A. Compute the test value

• B. Find the critical value(s)

• C. Make the decision to reject or not reject the null hypothesis

• D. Summarize the results

6. Based on the sample size, when can we use the hypothesis testing using z – test?

• A. n ≥ 30

• B. n ≤ 30

• C. n = 30

• D. n ≠ 30

7. What are the two regions in hypothesis testing?

• A. Acceptance and rejection region

• B. Acceptance and waiting region

• A. Waiting and rejection region

• D. No correct answer

8. 8. If the critical value is 1.645 and the computed z – value is 2.254, what should be the decision in null hypothesis?

• A. Reject the null hypothesis

• B. Failed to reject the null hypothesis

• C. Can’t make decision due to lack of data.

• D. No correct answer

9. If the critical value is ±2.575 and the computed z – value is 1.412, what should be the decision in null hypothesis?

• A. Reject the null hypothesis

• B. Failed to reject the null hypothesis

• C. Can’t make decision due to lack of data.

• D. No correct answer

10. If the critical value is - 2.33 and the computed z – value is - 2.62, what should be the decision in null hypothesis?

• A. Reject the null hypothesis

• B. Failed to reject the null hypothesis

• C. Can’t make decision due to lack of data

• D. No correct answer