Question
In: Statistics and Probability
Using the partially completed analysis of variance and table of means provided below, answer the following...
Using the partially completed analysis of variance and table of means provided below, answer the following questions. Use the .05 significance level. All three groups have the same sample size.
|
Source |
SS |
df |
MS |
F |
|
Treatment |
4.3669 |
|||
|
Error |
9.03 |
|||
|
Total |
29 |
|
Group |
|||
|
A |
B |
C |
|
|
sample mean |
278.3 |
275.4 |
274.5 |
10. Find the value of LSD for comparing Groups A and B.
11. Is the difference between groups A and B significant?
|
yes |
||
|
no |
||
|
maybe? |
||
|
Antidisestablishmentarianism |
12. What's the value of SSTR?
13. What's the value of SSE?
Solutions
Expert Solution
| Source | SS | df | MS | F |
| treatment | 78.8662 | 2 | 39.4331 | 4.3669 |
| Error | 243.8100 | 27 | 9.030 | |
| total | 322.6762 | 29 |
10)
| pooled standard deviation =Sp =√MSE = | 3.005 | |||||
| critical value of t with 0.05 level and N-k=27 degree of freedom= | tN-k= | 2.052 | |||
| Fisher's (LSD) for group i and j = (tN-k)*(sp*√(1/ni+1/nj) = | 2.758 | ||||
11)
Yes
12)
value of SSTR =78.8662
13)
value of SSE =243.8100
orchestra answered 2 years agoRelated Solutions
Using the partially completed analysis of variance and table of means provided below, answer the following questions. Use the .05 significance level. All three groups have the same sample size.
QUESTION 10
Questions 10
through 13 refer to the following:
Using the partially
completed analysis of variance and table of means provided below,
answer the following questions. Use the .05 significance level. All
three groups have the same sample size.
Source
SS
df
MS
F
Treatment
3.9302
Error
9.03
Total
26
Group
A
B
C
sample mean
278.3
275.4
274.5
Find the value of LSD
for comparing Groups A and B.
QUESTION 11
Is the difference
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1850
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Composite Hourly Pay Rate
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350
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X-Xbar
Y-Ybar
(X-Xbar)^2
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9
6
12
15
17
20
21
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