4. The effectiveness of the Weight Watchers diet is tested in an experiment, and for each subject, the weight before the diet and the weight after the diet are recorded. a. Claim: b. Hạ: C Analysis:...

Extracted text: 4. The effectiveness of the Weight Watchers diet is tested in an experiment, and for each subject, the weight before the diet and the weight after the diet are recorded. a. Claim: b. Hạ: C Analysis: d. Tail of the distribution: 5. The effectiveness of a flu vaccine is tested by treating one group of subjects with the vaccine while another group of subjects is given placebos. Is there a significant difference among the two groups? a. Claim: b. Hạ: c Analysis: d. Tail of the distribution:


Extracted text: Directions: In a clean bond paper, write your name, course, year and section. Also, put your signature. Copy the questions and put your answer below it. After answering, take a picture of it, copy in Microsoft Word, then save as a pdf file. Make sure that only 1 pdf file is attached and turned in. I. Identify the claim in symbolic form, hypotheses in symbolic form, appropriate analysis, and the tail of the distribution for the following situation. For the appropriate analysis, choose among the following choices: • -Test for one population mean • 2- Test for one population mean • -Test for two dependent population means For the tail of the distribution, choose among the following choices: z-Test for two independent population means • -Test for two independent population mean • two-tailed left-tailed right-tailed