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During a clinical trial on seasonal allergy, a pharmaceutical company obtains the following data about the undesirable effects of the type of medication administered to
During a clinical trial on seasonal allergy, a pharmaceutical company obtains the following data about the undesirable effects of the type of medication administered to patients. Medication Seldane-D Pseudoephedrine Placebo Total 95 75 Undesirable effects Insomnia Headache Somnolence Total 14 45 50 66 26 187 184 161 63 408 21 16 141 80 a. What kind of chi-square test would be most appropriate to analyse these data goodness of fit or homogeneity (independence)? Explain. b. Create another table with the corresponding expected counts and having row totals, column totals, and grand totals. Round each cell value to two decimal places. Provide an example of your computations. c. Using the appropriate chi-square test with a 1% significance level, determine the appropriate conclusion about the undesirable effects to patients and the type of medication taken. Verify the assumptions required for the chi-square test and make During a clinical trial on seasonal allergy, a pharmaceutical company obtains the following data about the undesirable effects of the type of medication administered to patients. Medication Seldane-D Pseudoephedrine Placebo Total 95 75 Undesirable effects Insomnia Headache Somnolence Total 14 45 50 66 26 187 184 161 63 408 21 16 141 80 a. What kind of chi-square test would be most appropriate to analyse these data goodness of fit or homogeneity (independence)? Explain. b. Create another table with the corresponding expected counts and having row totals, column totals, and grand totals. Round each cell value to two decimal places. Provide an example of your computations. c. Using the appropriate chi-square test with a 1% significance level, determine the appropriate conclusion about the undesirable effects to patients and the type of medication taken. Verify the assumptions required for the chi-square test and make
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