STATISTICS F/BUSINESS+ECONOMICS-TEXT
13th Edition
ISBN: 9781305881884
Author: Anderson
Publisher: CENGAGE L
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Textbook Question
Chapter 13.4, Problem 21E
Consider the experimental results for the following randomized block design. Make the calculations necessary to set up the analysis of variance table.
| Treatments | ||||
| A | B | C | ||
| 1 | 10 | 9 | 8 | |
| 2 | 12 | 6 | 5 | |
| Blocks | 3 | 18 | 15 | 14 |
| 4 | 20 | 18 | 18 | |
| 5 | 8 | 7 | 8 |
Use α = .05 to test for any significant differences.
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The data below are from an independent-measures experiment comparing three different treatment conditions. Use an analysis of variance with α = .05 to determine whether these data indicate any significant differences among the treatments.
Treatment1
Treatment2
Treatment3
0
1
4
0
4
3
0
1
6
2
0
3
M1=0.5
M2=1.5
M3=4
SS1=3
SS2=?
SS3=6
You may need to use the appropriate technology to answer this question.
Consider the experimental results for the following randomized block design. Make the calculations necessary to set up the analysis of
variance table.
Treatments
B
1
10
9.
9
12
5
Blocks
3
18
15
14
4
18
18
8
7
8
Use a = 0.05 to test for any significant differences.
State the null and alternative hypotheses.
Ho: HA # HB # HHC
H3: HA = HB = HC
O Ho: Not all the population means are equal.
Ha: HA = HB = HC
O Ho: At least two of the population means are equal.
H: At least two of the population means are different.
O Ho: HA = HB = HC
Ha: HA # HB # HC
O Ho: HA = HB = HC
H: Not all the population means are equal.
Find the value of the test statistic. (Round your answer to two decimal places.)
4.99
Find the p-value. (Round your answer to three decimal places.)
p-value =
State your conclusion.
O Reject Ho: There is not sufficient evidence to conclude that the means of the three treatments are not equal.
O Do not reject Ho.…
Chapter 13 Solutions
STATISTICS F/BUSINESS+ECONOMICS-TEXT
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