# ACTIVITY 1. ILLUSTRATING HYPOTHESIS DIRECTIONS; explicate a null hypothesis and its alternative hypothesis in (a) words and in (b) symbols for each of the following. tell whether the test is directional and no-n directional. 1. a librarian of a school claims that all their senior high school students read an average of 10 books a month. a random sample of senior high students read an average 12 books. the confidence statement is 95%. 2. according to a factory employer, the mean working time of workers in the factory is 6. a researcher interviewed 50% of the employees and found out that their mean working time is 8 hours . the @ level is 0.05. 3. a random sample of 200 students got mean score of 62 in a knowledge test in mathematics . in the standardization of the test , mean =50. ACTIVITY 2. TYPE OF ERROR DIRECTIONS: determine what type of error is committed in every statement. 1. punishing a person who is truly innocent and putting them wrongly in jail. 2.crimininals gets away with crimes and perhaps thinks he always can. 3. bryan thinks that he is a six-footer. his actual height is 156 cm. 4. angela says i dont have any allergy in seafood. in the next moment, she finds herself itching all over her body. 5. hannah said to her friend people intelligent are measured through their proficiency in engLISH. PATULONG PO SA NAKAKAALAM NG SAGOT.

1.Null hypothesis: The average number of books that senior high school students read in a month is 10.

Alternative hypothesis: The average number of books that senior high students read in a month is not 10.

2.Null hypothesis: The mean working time of workers in the factory is 6 hours.

Alternative hypothesis: The mean working time of workers in the factory is not 6 hours.

Hope it helps you can do it