10.107 Reaction Time 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 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 After 1234 7 13 2 2 12 18 12 13 383