Question: Suppose we want to know the effect on driving of a drug for cold and allergy, in a study in which the same people were
Suppose we want to know the effect on driving of a drug for cold and allergy, in a study in which the same people were tested twice, once after 1 h of taking the drug and once when no drug is taken. Suppose we obtain the following data, which represent the number of cones (placed in a certain pattern) knocked down by each of the nine individuals before taking the drug and after an hour of taking the drug.
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Assuming that the difference of each pair is coming from an approximately normal distribution, test if there is any difference in the individuals€™ driving ability under the two conditions. Use α = 0.05. What is the p-value?
No drug After drug 9 2 9 6 3
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