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Question
1
An independent-measures t test produced a t statistic with
df
=
2
0. If the same data had been evaluated with an analysis of variance, what would be the df values for the F-ratio?
Answer
|
a. |
1, 20 |
||||||||||||||
|
b. |
2, 20 |
||||||||||||||
|
c. |
1, 19 |
||||||||||||||
|
d. |
2, 19 |
Question 2
An analysis of variance comparing three treatment conditions produces dftotal = 2
4
. For this ANOVA, what is the value of dfwithin?
Answer
|
3 |
||||
| 2 | ||||
|
21 |
||||
|
22 |
Question 3
A researcher uses analysis of variance to test for mean differences among four treatments with a sample of n = 6 in each treatment. The F-ratio for this analysis would have what df values?
Answer
|
df = 3, 1 5 |
|
df = 4, 24 |
|
df = 3, 5 |
|
df = 3, 20 |
Question 4
For an analysis of variance comparing four treatments,
MS
between = 12. What is the value of
SS
between?
Answer
| 4 | ||
|
4 8 |
||
|
36 |
||
Question 5
An analysis of variance produces SSwithin = 40 and MSwithin =
10
. In this analysis, how many treatment conditions are being compared?
Answer
| 5 | ||
|
50 |
||
|
30 |
Question 6
An analysis of variance comparing three treatment conditions produces dftotal = 24. For this ANOVA, what is the value of dfbetween?
Answer
Question
7
An independent-measures research study compares three treatment conditions using a sample of n = 5 in each treatment. For this study, the three sample totals are, T1 = 5, T2 = 10, and T3 =
15
. What value would be obtained for SSbetween?
Answer
| 15 | |
| 1 | |
| 10 |
Question 8
An independent-measures research study compares three treatment conditions using a sample of n = 5 in each treatment. For this study, the three sample totals are, T1 = 5, T2 = 10, T3 = 15, and 2 = 75 for the entire set of scores. What value would be obtained for SStotal?
Answer
Question 9
The following table shows the results of an analysis of variance. Based on this table, what is the value for ?2, the percentage of variance accounted for?
|
Source |
SS | df | MS | ||||||||
|
Between |
16 |
8 |
F = 2.00 |
||||||||
|
Within |
84 |
||||||||||
|
Total |
100 |
23 |
|||||||||
Answer
|
16/100 |
|
16/18 |
|
8 4/10 0 |
| 4/10 |
Question 10
The following table shows the results of an analysis of variance comparing two treatment conditions with a sample of n = 11 participants in each treatment. Note that several values are missing in the table. What is the missing value for the F-ratio?
|
xx |
14 |
F = xx |
||||||||||||
|
Total |
1 54 |
xx |
Answer
|
28 |
|
| 7 | |
Question 11
An analysis of variances produce SSbetween = 20, SSwithin = 30, and an F-ratio with df = 2, 15. For this analysis, what is the F-ratio?
Answer
|
30/20 = 1.50 |
|
20/30 = 0.67 |
|
10/2 = 5.00 |
|
2/10 = 0.20 |
Question 12
An experiment compares three treatment conditions with a separate sample of n = 10 in each treatment. If the data are analyzed with ANOVA, the analysis would have dftotal = _____.
Answer
|
29 |
|
27 |
Question 13
An independent-measures research study compares three treatment conditions using a sample of n = 10 in each treatment. For this study, the three samples have SS1= 10, SS2 = 20, and SS3 = 15. What value would be obtained for MSwithin?
Answer
|
45/27 |
|
45/3 |
|
45/29 |
|
45/30 |
Question 14
For an F-ratio with df = 2, 10, the critical value for a hypothesis test using a = .05 would be _____.
Answer
|
99.40 |
|
4.10 |
|
19.39 |
|
7.56 |
Question 15
The following table shows the results of an analysis of variance comparing three treatment conditions with a sample of n = 10 participants in each treatment. Note that several values are missing in the table. What is the missing value for SStotal?
| 20 |
Answer
| 54 |
|
74 |
