2: Identify Parameters for Testing in Given Real- Life Problems Gisella Pesisano and Week 3 Formulating Null and Alternative Hypothesis , then answer the Learning Tasks. Parent's Name and Signature. Glenda Pesisano Happy hypothesizing. Learning Task No 1: (25pts) Read each situation carefully and fill in the space provided with appropriate information. Claim: 1. The average age of bus drivers in Metro Manila is 38.8 years Hypotheses in words: Parameter : Ho Ha Hypotheses in symbols: Ho: Direction : Ha: _Tailed-test 2. The average number of calories of a low calorie meal is at most 300 Claim: Parameter : Hypotheses in words: Ho: Ha Hypotheses in symbols: Ho: Ha: Direction : _Tailed test 3. The net weight of a packet of snuck brand is 130g. A sample of 80 packets yielded a sample mean weight of 1 12g with an s.d of 15 g Claim: Parameter Hypotheses in words: Ho Ha Hypotheses in symbols: Ho: Ha: Direction : _Tailed-test 4. The average height of grade 8 students is 158.2cm. The mean height of a sample of 100 students is 160cm with S. D of 6cm. Claim: Parameter : Hypotheses in words: Ho: Ha Hypotheses in symbols: Ho: Ha: Direction : Tailed-test 5. The manufacturer of a certain brand of auto batteries claims that the mean life of these batteries is at least 45 months. A consumer protection agency that wants to check this claim took a random sample of 36 such batter and found that the mean life for this sample is 43.75 months. Claim: Parameter : Hypotheses in words: Ho: Ha Hypotheses in symbols: Ho: Ha: Direction : _Tailed-test Learning Task No 2: (5 points) For each situation, compare the computed value with the critical value by writing the appropriate comparison symbol on the box and tell the location of z whether it is in the rejection or acceptance region Z computed Comparison Z critical Location of the statistic 1) 1.47 164 2) 2.18 1.88 3) 0.58 1.28 4) 1.85 1.96 5 1 3.16 2.33 Pahiling Address Pack a, National Highway, Pray. Mukilling, Calamba City, 4027 Telephone No.: (049) 549-6914 E-Mail Address: 301523@depedgov.ph FR Page: httpe: //www facebook com /PleplayoldIS201 523