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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Post-hoc tests are necessary for an analysis of variance comparing only two treatment conditions.
t or f
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
5
Blocks 3 18 15 14
4
20 18 18
5 8 7 8
Use a = 0.05 to test for any significant differences.
State the null and alternative hypotheses.
OHO: HA= B = "c
H₂: HAMBUC
O HO HA #HB Mc
Ha: MAHB = Mc
O Ho: Not all the population means are equal.
Ha: A = B = MC
Ho: MAHB = Mc
H₂: Not all the population means are equal.
O Ho: At least two of the population means are equal.
H₂: At least two of the population means are different.
Find the value of the test statistic. (Round your answer to two decimal places.)
0.47
X
Find the p-value. (Round your answer to three decimal places.)
p-value = 0.634
X
Stato your conclusion
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
Chapter 13 Solutions
STATISTICS F/BUSINESS+ECONOMICS-TEXT
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