A medical researcher believes that a drug changes the body\'s temperature. Seven

Question

A medical researcher believes that a drug changes the body's temperature. Seven test subjects are randomly selected and the body temperature of each is measured. The subjects are then given the drug, and after 30 minutes, the body temperature of each is measured again. The results are listed in the table below. is there enough evidence to conclude that the drug changes the body's temperature? Let d (body temperature after taking drugj (body temperature before taking drug. Use a significance level of ? temperatures are normally distributed for the population of people both before and after taking the drug. 0.05 for the test. Assume that the body Subject Temperature (before) 100.699 98.6 99.6 99,6 99.3 99.3 Temperature (after) 100.4 98.2 98.8 992 98.8 98.6 98. Copy Data Step 2 of S: Find the value of the standard deviation of the paired differences. Round your answer to two decimal places Tables lil keypad Answer

Explanation / Answer

sd = stdev ( data)

=

before after difference 100.6 100.4 -0.2 99 98.2 -0.8 98.6 98.8 0.2 99.6 99.2 -0.4 99.6 98.8 -0.8 99.3 98.6 -0.7 99.3 98.9 -0.4 0.364496

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