Capsi General Instructions: > Answer the following activities, apply what you learned from this module. Enter Pause PqUp > Answer all problems and show your solution. The point for each item is indicated by [ ]. Parts A will be recorded under WRITTEN WORKS while Part B and C will be recorded under PERFORMANCE TASKS so make sure to answer every item. O Shift A. State the NULL and the ALTERNATIVE HYPOTHESIS using any form of the following scenarios: [1] Curl 1. The editor of a publishing company claims that the mean time to write a novel is 16 months. Forty randomly selected authors of novels said it is more than 16 months. Each of them said it takes 18 months to write a novel. Hot 2. The number of defective batteries produced by the company is not equal to 12 batteries a day as claimed by the manager of the company. Ho: He: mer arterial may be of the creator. 3. It is claimed that 15% of the adult Filipinos are in favor of death penalty. Of the 1,000 adult Filipinos asked, only 14% are in favor of death penalty. Does this mean that the percentage of adult Filipinos who are in Antas at Seksyon: favor of death penalty is less than 15%? Ho: sa Pananaliksik Ha stuhan ng mga pahayag. No part of this material may be 4. It is believed that the mean yearly salary of professors in the Philippines is P480,000.00. A random sample V ) ang linva of 65 professors revealed a mean salary of P500,000.00. Can it be concluded that the mean yearly salary mission of the creator. is greater than P480,000.00? Ho:H.: 4. It is believed that the mean yearly salary of professors in the Philippines is P480,000.00. A random sample of 65 professors revealed a mean salary of P500,000.00. Can it be concluded that the mean yearly salary is greater than P480,000.00? Ho: tutukoy ang kawastuhan ng mga pah Ha: TIN .. HIGH SCHOOL STUDENTS ONLY! No part of this material may be awat pahayag, lagyan ng tsek ( V ) ang linve 5. A random sample of 60 working students was taken in order to determine whether the average age of working students is different from 19 years. Ho: ..ufs or otherwise without the prior written permission of the creator. 1. Matatagpuan ang bibliyogram 2. Nakaayos ang mom B. In each of the following problems (a) STATE THE NULL AND THE ALTERNATIVE kung hindi. Pahina 3. Kung An HYPOTHESES (you may use any form) [1], (b) COMPUTE THE TEST STATISTIC by duced in one form or by on critical value method [2], (C) DETERMINE THE CRITICAL VALUE [1], and (d) DRAW A CONCLUSION. [1] NOTE THIS MATERIAL IS FOR EAD. 6. A company which produces batteries claims that the life expectancy of their batteries is 90 hours. In order to test the claim, a consumer interest group tested a random sample of 40 batteries. The test resulted to a mean life expectancy of 87 hours. Using a 0.05 level of significance, can it be concluded that the life expectancy of their batteries is less than 90 hours? Assume that the population standard deviation is known to be 10 hours.a. Ho: SENIOR HIGH SCHOOL b. Compute the test statistic c. Determine the critical value d. Draw a conclusion ence. B ce, or E Her aterial may be of me creator. Antas at Seksyon 7. It is claimed that the average monthly income of chemical engineers last year was P27,900.00. A random sample of 35 chemical engineers is selected and it is found out that the average monthly salary is P28,000.00. Using a 0.01 level of significance, can it be concluded that there is an increase in the average monthly income of chemical engineers? Assume that the population standard deviation is P250.50. a. Hoi Ha Ibang Teksto Tungo sa Pananaliksik b. Compute the test statistic tukoy ang kawastuhan ng maa - STUDENTS ONLY1 No part of this material may be e prior written permission of the creator. AG-DIWA lagyan ng tsel TIN NATIN c. Determine the critical valueAnt monthly Income of chemical engineers? Assume that the population standard deviation is P250.50 H. b Compute the test statistic A.Natutukoy ang kawastuhan ng mos Sa al Pagsusuri ng that Ibang Teksto Tungo sa Pananal LAYAG-DIWA SAGUTIN NATIN c. Determine the critical value .EGE SENIOR HIGH SCHOOL STUDENTS ONLY) No port of this material muy be d. Draw a conclusion Suriin ang bawat pahayag, lagyan ng tsel - by any means or otherwise without the prior written permission of the creator 1. Matatagpuan 2. Nal. ckis (x) kung hindi. C. Solve the following problems; Pahina 8. The owner of a cell phone store at Greenhills Shopping Center was not happy when he learned that the reproduced in on form or ty ate average number of cell phones sold daily was only 8 cell phones. He hired a new seller and told him to tally the daily sales for 20 days. The following are the number of cell phones sold for the past 20 days. 9 9 9 8 9 NOTE: THIS MATERIAL IS FORE 9 11 12 12 16 10 12 8 11 17 18 15 14 17 14 Do the collected data present sufficient evidence to indicate that the average number of cell phones sold 2. W 3. W daily has increased? Use 0.05 level of significance. Assume normality in the population. a. Ho Ha: b. Compute the test statisticWin C. Determine the critical value Shift d. Draw a conclusion 9. It is claimed that the average age of working students in a certain university is 35 years. A researcher selected a random sample of 25 working students. The computation of their ages resulted to an average of 32 years with a standard deviation of 10 years. Does this mean that the average age of the working students is different from 35 years? Use 0.05 level of significance and assume normality in the population. a. Ho: Hai aterial may be I of the creator. bilang kung ito ay tama at ng b. Compute the test statistic ng sulating pananaliksik. agat ng mga sanggunian. pangalan ng ikalawa. nian ay aklat o paha anaklong c. Determine the critical valueliga pahayag V ) ang linya bago ang bilang yograpiya sa unahang bahaging sulating tiga ito nang paalpabeto ayon sa pamagat ng mg udwa ang may-akda, hindi na isinusulat ang pangalan ny udgawan lang ng bibliyograpiya kung ang sanggunian ay aklat 6. Kusng estilong APA ang gagamitin, nakakulong sa panaklong an sanggunian ay pahayagan. 6. Sa pagsulat ng bibliyograpiya gamit ang estilong Chicago, kailang ikalawa o sumusunod na linya ng bibliyograpiya o ginagamit indention. 7. Isinusulat ang pangalan ng may-akda nang nauuna ang pangalan apelyido. 8. Hindi na kailangang isama ang taon kung kalian not 9. Kung gagamit ng istilong Chicago at 1.i-" et al matapos ang pangal 10. Hindi na mal d. Draw a conclusion a. Hoi c. Determine the critical value H.: b. Compute the test statistic d. Draw a conclusion c. Determine the critical value 10. It is claimed that last year, 65% of the people believed that there was an improvement in the country's economy. Suppose this year, only 270 out of 450 people randomly selected believe that there is an who believe that there is an improvement in the country's economy? Use 0.05 level of significance. improvement in the country's economy. Does this indicate that there is a decrease in the number of people