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NAME: YEAR & SECTION: 1. Directions: Complete the following statements. Write the answers in the space provided. 1 . A experimental data. is a statistical method applied in making decisions using 2 . The is contrary to the null hypothesis, which shows that observations are the result of a real effect. 3 . A is a proposed explanation, assertion, or assumption about a population parameter or about the distribution of a random variable. 4 . A is a random variable that is calculated from sample data and used in a hypothesis test. 5. The is an initial claim based on previous analyses, which the researcher tries to disprove, reject, or nullify. It shows no significant difference between two parameters. 11. Fill in the blanks. Determine the notation of the given parameter, inequality symbol or value of the parameter. Parameter Notation Symbols Value ( H, o, p, 62) ( =. #, , 5,2) 1. Average salary of Polytechnic University of the Philippines (PUP) graduates is at most S P324, 000. 2. The standard deviation of adults riding a bus is 1.5. 3. Filipino employers offer a mean of 15 days of paid vacation for sick leave. 15 4. Survival rate of breast cancer in the Philippines is below 50% 5. Mean number of vehicles in households is at most 1.9 personal vehicles.Formulate the null hypothesis and alternative hypothesis in notations for each given situation. 1. A medical trial is conducted to test whether or not a new medicine reduces uric acid by 50%. Ho: Ha 2. A car manufacturer claims that the mean selling price of all cars manufactured is only P150, 000. A consumer agency wants to test whether the mean selling price of all the cars manufactures exceeds P150, 000. Ho: Ha IV. Formulate the null hypothesis and alternative hypothesis in symbols. Identify whether it is one- tailed or two-tailed, if one-tailed, identify its direction whether it is right or left. 1. The average salary of an accountant is P24, 620 per month in the Philippines. Ho: Ha tailed test