Question 3

Eight volunteers were randomly divided into two groups for a drug study. Half the participants were given 15 mg of the drug and half received the placebo. The following reaction-time scores that were recorded in seconds. Perform a t test, find d, and interpret the results in sentences format. don't forget to add all the stat symbols as shown in the chapter, beginning with Reject or fail to reject and end with p value. Please show all your work and circle or underline your t, d, t critcal, df, means scores, etcc

15 mg Placebo 25 21 26 20 20 18 27 24