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[2 points each; 10 total points] A standard treatment to prevent infections for burn patients is known to be effective 70% of the time. A
[2 points each; 10 total points] A standard treatment to prevent infections for burn patients is known to be effective 70% of the time. A new treatment was applied to n=50 burn patients, and 42 patients did not get an infection. Test whether the new treatment is more effective at preventing infection than the standard treatment. To do this, carry out the following 5 steps to hypothesis testing: I} Step 1: State Ho and Ha. ii] Step 2: Verify data conditions and if they are met, calculate a test statistic. iii} Step 3: Find the pvalue. iv} Step 4: Decide whether or not the result is statistically significant based on the pvalue. Use the 5% level of signicance. v] Step 5: Report the conclusion in the context ofthe situation. [1i]I points] A randomized clinical trial was conducted to compare a new pain reliever for migrainesto a standard medication. Participants were randomly assigned to receive the new treatment or the standard treatment. The data are shown below. Is there a statistically signicant difference in the proportions of migraine sufferers reporting pain relief? Conduct the hypothesis test at the 5% level of signicance and be sure to perform the 5 steps to hypothesis testing. Pain Relief No Pain Relief New Medication 44 ?6 Standard Medication 21 99
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