Calculate the sums of squares

Assignment Help Basic Statistics

Reference no: EM13271115

10. Complete each of the following ANOVA summary tables. In addition, answer the following questions for each of the ANOVA summary tables:
a. What is the factorial notation?
b. How many conditions were in the study?
c. How many students were in the study?
d. Identify significant main effects and interaction effects.
Source df SS MS F
A 1 60
B 2 40
A x B 2 90
Error 30 200
Total 35 390
A
B
C
D

ANOVA table
Source df SS MS F
A 2 40
B 3 60
A x B 6 150
Error 72 150
Total 83 400

a.
b
c
d

ANOVA table
Source df SS MS F
A 1 10
B 1 60
A x B 1 20
Error 36 60
Total 39 150

a.
b
c
d

12. A researcher is attempting to determine the effects of practice and gender on a timed task. Participants in an experiment are given a computerized search task. They search a computer screen of various characters and attempt to find a particular character on each trial. When they find the designated character, they press a button to stop a timer. Their reaction time in seconds on each trial is recorded. Subjects practice for 2, 4, or 6 hours and are either female or male. The reaction time data for the 30 subjects appear here.

Women Men
2 Hours 12 11
13 12
12 13
11 12
11 11

4 Hours 10 8
10 8
10 10
8 10
7 9

6 Hours 7 5
5 6
7 8
6 5
7 8

ANOVA table
Source df SS MS F
Gender 1 0.027
Practice 2 140.60
Gender x
Practice 2 0.073
Error 24 28
Total 29 168.70

a. Complete the ANOVA summary table. If your instructor wants you to calculate the sums of squares,use the preceding data to do so.
b. Are the values of assets of Fobt significant at infinity atα = .05?At α = .01?
c. What conclusions can be drawn from the F-ratios?
d. What is the effect size, and what does this mean?
e. Graph the means.

Reference no: EM13271115

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