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Directions: Read and analyze each item. Circle the letter of the correct answer. 1. If the sample size is 25, what test statistic will you use? A. z-test C. population mean B. t-test D. population standard deviation 2. Which is the correct step in solving for the test statistic value? 1. Simplify. II. Substitute the values to the formula. Ill. Identify the given. IV. Write the computing formula. A. 1, II, III, IV C. II, III, IV, I B. IV, I, III, II D. III, IV, II, I 3. What test statistic will you use if the sample size is large and the population standard deviation is known? A. Z-test C. sample mean B. t-test D. sample standard deviation 4 / 19 For nos. 4-5, refer to the problem below: Given: Hai - 93 Hai # 93 The study has a sample mean of 83.4 and a standard deviation of 75 conducted to 45 respondents. Use a = 0.05. 4. What test statistic will you use to solve the test statistic value? A. z-test C. standard deviation B. t-test D. sample standard deviation 5. What is the computed value? A. -0.8587 C. -1.8475 B. 0.8587 D. 1.8475 6. If the z-computed value is 2.53 and the z-critical value is 1.645, what will be your conclusion? A. Reject the null hypoyhesis B. Do not reject the null hypothesis C. Reject both hypotheses D. Do not reject both hypotheses 7. If the the t- critical value is 1. 812 and the t-computed value is 1.17, what will be your decision? A. Reject the null hypoyhesis B. Do not reject the null hypothesis C. Reject both hypotheses D. Do not reject both hypotheses 8. From the given figure below, what will be your decision if the z-computed value is 2.34? A. Reject the null hypoyhesis B. Do not reject the null hypothesis C. Reject both hypotheses D. Do not reject both hypotheses For nos. 9-10, refer to the problem below: In a two-tailed test with a = 0.05, the z-computed value is 1.524 9. What is the critical value? A. + 1.645 C. + 2.326 B. + 1.960 D. + 2.575 10. What will be your decision? A. Reject the null hypoyhesis B. Do not reject the null hypothesis C. Reject both hypotheses D. Do not reject both hypotheses