Help me answer the following questions and follow the pages and note that write the letter and the answer besides to it. Will rate you helpful

DIRECTIONS: Shade the circle completely that corresponds to the correct answer from the given choices for each item. @@@ 1. Which of the following must be used as the significance level if we want a lower possibility of correct decision? A. 1% B. 2% C. 5% D. 10% @2. When is a Type | error committed? A We reject a null hypothesis that is true. We reject a null hypothesis that is false. We fail to reject a null hypothesis that is true. D We fail to reject a null hypothesis that is false. ADD 3. What kind of parameter is applied in the given situation? "The mean height of all Grade 11 students is 170 cm." A. Mean B. Proportion C. Variance D. Standard Deviation 4. Which of the following is NOT a parameter? A. B. E C. H D. p 5. This hypothesis states that there is no difference between population parameters and the hypothesized value. A. Alternative Hypothesis C. Null Hypothesis B. Hypothesis D. Two-tailed Hypothesis 6. If the researcher wishes to test the claim that the mean of the population is 75, the appropriate null hypothesis is: A. H S 75 B. # 2 75 C. H # 75 D. H = 75 @@ @ 7. The supervisor of a certain company claimed that the mean workday of his workers is 8.3 hours per day. A sample of 20 workers was taken and it was found out that the mean workday is 8 hours with standard deviation of 1 hour. At 0.01 level of significance, is the mean workday less than 8.3 hours? What test statistic is to be used in the given problem? A. z-test B. t-test C. right-tailed test D. left-tailed test 8. Based on the problem in no. 7, 8.3 hours is A. O B. H C. X D. S 9. Which of the following is the sketch of the normal curve if z 1.645? B. C. D. A. @@@@ 10. In the given problem below, what is the rejection region? The factory owner claimed that their bottled fruit juice has the capacity of less than an average of 280 ml. To test the claim, a group of consumers gets a sample of 80 bottles of the fruit juice, calculates the capacity, and then finds the mean capacity to be 265ml. The standard deviation is 8ml. Use a = 0.05 level of significance to test the claim. A. z S-1.645 z S -1.28 C. z 2 1.645 D. z 2 2.33 @OCD 11. Based on the given problem in no. 10, which is the appropriate rejection region? A.For nos. 12-14, refer to the problem below: Milky Milk is sold in packets with an advertised mean weight of 0.5kgs. The standard deviation is known to be 0.11 kilograms. A consumer group wishes to check the accuracy of the advertised mean and takes a sample of 36 packets finding an average weight of 0.47kgs. @OOD 12. What test statistic should be used? A. t-test B. z-test C. population mean D. standard deviation 13. What is the sample size? A. 0. 15 B. 0. 48 C. 0.5 D. 36 @@@ 14. If the computed z-value is 1.915 and the critical value is 1.812, which of the following statements could be true? A. It lies in the rejection region, Ho must be rejected. B. It lies in the rejection region, hence we fail to rejectHo. C. It lies in the non-rejection region, Ho must be rejected D. It lies in the non-rejection region, hence we fail to rejectHo. @@ @ @ 15. Larry is an industrious appliance salesman. His average sales (n) in a week is at least P10, 000. A. n 10, 000 C. n s 10, 000 D. n 2 10, 000 @@ @ 16. When we fail to reject the null hypothesis, which of the following statements is true? A. The conclusion is guaranteed. B. The conclusion is not guaranteed. C. There is a sufficient evidence to back up the claim. D. There is no sufficient evidence suggesting that the claim is false. 17. If the z-computed value is 1.253 and the critical value is 1.645, what will be the decision? A. Reject the null hypothesis. B. Do not reject the null hypothesis. C. Reject both the null and alternative hypotheses. D. Support both the null and alternative hypotheses. @@@ 18. The null hypothesis is rejected. What does it mean? A. The null hypothesis is incorrect. B. The alternative hypothesis is true. C. There is enough evidence against the null hypothesis. D. There is a very small probability that the null hypothesis is true. QOD 19. If the t-computed value is 2.430 and the critical value is 2.011, what will be the decision? A. Reject the null hypothesis. C. Reject the alternative hypothesis. B. Support the null hypothesis. D. Do not reject the null hypothesis. @Of@ 20. What is the third step in the hypothesis testing procedure? A. Draw conclusion. B. State the null and alternative hypotheses. C. Determine the test statistic and compute it. D. Find the critical value for the test; then draw the critical region. @@ @ 21. which of the following words is used in a null hypothesis written in sentence form? A. equal B. fewer C. higher D. lower @@@ 21. In a certain senior high school, a study found that 972 out that 1,100 Grade 12 students use smartphones. Using a = 0.10 level, is there enough evidence to conclude that the percentage of students who are using smartphones is different from 25%? What is the appropriate alternative hypothesis? A. Ha: P >.25 B. Ha: P <.25 c. ha: p=".25" d. in problem no. what type of test is used a. directional b. one-sided one-tailed non-directional an insurance company reported that those persons involved minor traffic accidents this year have been at least one accident the last three years. believing it was too large advisory group decided to investigate claim. a sample showed were also another determine value population proportion. n which following statistic appropriate use testing hypothesis involving proportion t-test z-test p-test c-test using for mean we assume selected randomly. given statement is: always true false sometimes if q dood approach drawing conclusions wherein compared with critical two-way sampling p-value will not result decision rejecting null z-score located rejection region. equal level significance. smaller or larger than value. greater zumba class instructor recorded number minutes spent by participants and calories they burned within month. are variables presented situation above sessions attended days session present during graphical representation shows correlation two points dots. bar graph line pictograph scatter plot joan noticed high variable corresponds second low first variable. conclusion can you draw from direction zero correlation. positive negative moderate range coefficient osrs1 pearson coefficients considered having weakest as person exposure sunlight increases his her chance developing cancer increases. findings qood equation="-3" y-intercept relationship between independent x dependent y when regression has there no relationship. cannot be determined. qod temperature coffee sales formula predict on day: chris mae wants know gasoline car affects how fast driven. driven much gas put far computed then retain support reject fail do does rejected incorrect. alternative correct. sufficient evidence hypothesis. insufficient disprove t-computed both hypotheses. statements guaranteed. back up suggesting claim false. should t-value lies region rejected. true. enough against very small probability ood left-tailed less ooo said significant wrong. time. height women represents hypotheses ho: h h.:>64" 50. In the hypothesis testing procedure, drawing conclusion should always be the step. A. first B. second C. third D. last 4