This is a time limited assignment due in one hour. Thank you!!!!

Question 1 IfSST= 20 andSSB= 14,SSW= ____.

34

6

-6

need more information

Flag this Question Question 2 When analyzing data from experiments that involve more than two groups ____.

doing t tests on all possible pairs of means decreases the probability of making Type I errors

it is generally permissible to do t tests between all possible pairs of means and use Student's t distribution

doing t tests on all possible pairs of means increases the probability of making Type II errors

Flag this QuestionQuestion 3If dfB= 2 and dfW= 14, usinga= 0.05,Fcrit= ____.

19.42

4.60

3.74

6.51

Flag this QuestionQuestion 4 Exhibit 15-2 A clinical psychologist is interested in comparing the effectiveness of short term relaxation and cognitive-behavioral therapy in treating mild depression. An experiment is conducted in which 15 patients with mild depression are randomly selected and assigned 5 each to a relaxation therapy group, a cognitive/behavioral therapy group, and an attention placebo group. Therapy is administered until the patient is judged no longer depressed or until 10 treatment sessions have elapsed. The following data is obtained. Scores are the number of sessions for each patient.

Cognitive/Behavioral	Relaxation	Attention-Placebo
Therapy	Therapy	Group
5	6	8
6	8	10
8	10	9
4	9	10
7	7	9

Refer to Exhibit 15-2.SSB= ____.

27.53

26.13

23.67

28.60

Question 5 A clinical psychologist is interested in comparing the effectiveness of short term relaxation and cognitive-behavioral therapy in treating mild depression. An experiment is conducted in which 15 patients with mild depression are randomly selected and assigned 5 each to a relaxation therapy group, a cognitive/behavioral therapy group, and an attention placebo group. Therapy is administered until the patient is judged no longer depressed or until 10 treatment sessions have elapsed. The following data is obtained. Scores are the number of sessions for each patient.

Cognitive/Behavioral	Relaxation	Attention-Placebo
Therapy	Therapy	Group
5	6	8
6	8	10
8	10	9
4	9	10
7	7	9

Refer to Exhibit 15-2.SSW= ____.

19.60

16.80

18.80

22.80