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Directions: Read each question carefully. Write the letter of the correct answer on the space provided before the number. 1. The following are included or given in the problem when computing the test statisticor z-test EXCEPT A. The population proportion is stated in the problem. B. The sample size is NOT given. C. The sample proportion can easily be computed D. The standard error can also be obtained from the given values. 2. A hypothesis test involving a population proportion can be considered as binomial experiment when there are only A. Two outcomes and the probability of success does not change from trial to trial. B. One outcome and the probability of success change from trial to trial. C. Two outcomes and the probability of success change from trial to trial D. One outcome and the probability of success does not change from trial to trial 3. Which of the following is the formula for the z Test for Proportions? A.= B. J.L D. 1 = 4. The following are the assumptions of testing a proportion EXCEPT A. The sample is a random variable. B. The conditions for a binomial experimentare satisfied. C. up 2 5 and ny 2 5 D. ap = 5 and ng 2 5 5. Which of the following is an example of a proportion? A. 70% of the consumers in Puerto Princesa City purchase gifts for their Mothers. B. In a random sample of 150 households, 92 responded that they owned their homes. C. 20 people were considered overweight. D. 30 people go out for dinner once a week 6. When the hypothesis test is two-tailed, the area in one tail must be A. Doubled B. Tripled C. Quadrupled D. None of these 7. What approach is used in drawing conclusions wherein a test statistic is compared with a critical value? A. P vilue Approach B. Critical Value Approach C. t test D. Critical Approach 8. What is the correct decision that you can derive from the table of values below? Significance Test Value P-Value level Ha = 0.25 Hap > 0.25(claim) 4 -0.05 Z - 2.12 0.0170 A. Do not reject the null hypothesis B. Reject the null hypothesis C. The area under the curve is z - 2.12 D. The P-Value is 0.0170. 9. A dietician of Puerto Princesa City claims that 60% of Palawenos are trying to avoid junk foods in their diets. She randomly selected 200 people and found that 128 people stated that they were trying to avoid junk foods in their diets. State the hypothesis and identify the claim. A. Ho: p = 0.60 (claim) and Hip # 0.60 B. Ho: p = 0.60 and Hi:p # 0.60 (claim) C. Ho p = 0.60 (claim) and Hip = 0.60 D. He p = 0.60 and Hj:p = 0.60 (claim) 10. Which of the following are the five (5) essential steps for the z-test? i. State the hypotheses and identify the claim. ii. Find the critical values. iii. Compute the test value. iv. Make the decision. V. Summarize the results/ draw conclusions. vi. Look for the significance level. vii. Reject the null hypothesis A. i,ii,iii,ivy B. i,li,ini,iv,vi C. i,ii,ili,iv,vii D. All of these
