16. Reaction Times III A psychologist wishes to verify that a certain drug increases the reaction time to a given stimulus. The following reaction times (in tenths of a second) were recorded before and after injection of the drug for each of the four subjects:

Test at the 5% level of significance to determine whether the drug significantly increases reaction time.

Transcribed Image Text:

Reaction Time Subject Before 1 234 7222 After 13 3 18 13