PSYCH 3204-An investigator collects the following data on variables

Subject: Mathematics    / Statistics
Question
Question 26

Exhibit 16-1
An investigator collects the following data on variables A and B, using a two-way independent groups design. Use a = .05 in analyzing the data.

Variable B
Variable A    (1)    (2)    (3)

(1)    10
12
14
18
17    13
15
17
22
16    15
19
20
25
19

(2)    15
17
19
23
20    18
19
22
27
21    26
30
31
36
29

Refer to Exhibit 16-1. The conclusion regarding the interaction is ____.
retain H0; chance is a reasonable explanation
accept H0; chance is a reasonable explanation
reject H0; there is a significant interaction between variables A and B
reject H0; there is no interaction between variables A and B

2.5 points

Question 27

Exhibit 16-1
An investigator collects the following data on variables A and B, using a two-way independent groups design. Use a = .05 in analyzing the data.

Variable B
Variable A    (1)    (2)    (3)

(1)    10
12
14
18
17    13
15
17
22
16    15
19
20
25
19

(2)    15
17
19
23
20    18
19
22
27
21    26
30
31
36
29

Refer to Exhibit 16-1. Fobt for the A variable equals ____.
2.66
16.34
29.11
11.23