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Question 1 12 pts Using the data below, test whether gender and party identification are independent. Run the test at a 5% level of significance.

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Question 1 12 pts Using the data below, test whether gender and party identification are independent. Run the test at a 5% level of significance. Give each of the following to receive full credit: 1) the appropriate null and alternative hypotheses; 2) the appropriate test; 3) the decision rule; 4) the calculation of the test statistic; and 5) your conclusion including a comparison to alpha or the critical value. You MUST show your work to receive full credit. Partial credit is available. Either 1. upload an image or pdf with your handwritten work or 2. upload an Excel file with your work in Excel. Refer to the instructions at the beginning of the quiz. If the instructions are not followed, you will receive a 0 for this question. Democrat Independent Republican Female 279 73 225 Male 165 147 191An investigator wants to compare the average time to relief of headache pain under three distinct medications. Fifteen patients who suffer from chronic headaches are randomly selected for the investigation and randomly assigned to each treatment. The following data reect times to pain relief (in minutes) after taking the assigned drug. Test whether the mean times to pain relief for each treatment are equal. Use alpha: .05. Give each of the following to receive full credit: 1) the appropriate null and alternative hypotheses; 2) the appropriate test; 3) the decision rule; 4) the calculation of the test statistic; and 5) your conclusion including a comparison to alpha or the critical value. You MU_ST show your work to receive full credit. Partial credit is available. Either 1. upload an image or pdf with your handwritten work or 2. upload an Excel le with your work in Excel. Refer to the instructions at the beginning of the quiz. If the instructions are not followed, you will receive a 0 for this question. Volunteers at a teen hotline have been assigned based on the assumption that 40% of all calls are drug related, 25% are sex related, 25% are stress related, and 10% concern educational issues. For this investigation each call is classied into one category based on the primary issue raised by the caller. To test the hypothesis, the following data are collected from 120 randomly selected calls placed to the teen hotline. Based on the data, is the assumption regarding distribution of topic issues appropriate? Use alpha=.05. Give each of the following to receive full credit: 1) the appropriate null and alternative hypotheses; 2) the appropriate test; 3) the decision rule; 4) the calculation of the test statistic; and 5) your conclusion including a comparison to alpha or the critical value. You MST show your work to receive full credit. Partial credit is available. Either 1. upload an image or pdf with your handwritten work or 2. upload an Excel le with your work in Excel. Refer to the instructions at the beginning of the quiz. If the instructions are not followed, you will receive a 0 for this question. __

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