Question

The following is an incomplete *F*-table summarizing the
results of a study of the variance of life satisfaction scores
among unemployed, retired, part-time, and full-time employees.

Source of Variation |
SS |
df |
MS |
F |
---|---|---|---|---|

Between groups | 20 | |||

Within groups (error) | 36 | |||

Total | 148 |

(a) Complete the *F*-table. (Round your values for mean
squares and *F* to two decimal places.)

Source of Variation |
SS |
df |
MS |
F |
---|---|---|---|---|

Between groups | 20 | |||

Within groups (error) | 36 | |||

Total | 148 |

(b) Compute omega-squared

(*ω*^{2}).

(Round your answer to two decimal places.)

*ω*^{2} =

(c) Is the decision to retain or reject the null hypothesis?
(Assume alpha equal to 0.05.)

Retain the null hypothesis.Reject the null hypothesis.

Answer #1

The following is an incomplete F-table summarizing the
results of a study of the variance of life satisfaction scores
among unemployed, retired, part-time, and full-time employees.
Source of Variation
SS
df
MS
F
Between
groups
17
Within
groups (error)
36
Total
131
(a) Complete the F-table. (Round your values for mean
squares and F to two decimal places.)
Source of Variation
SS
df
MS
F
Between
groups
17
Within
groups (error)
36
Total
131
(b) Compute omega-squared
(ω2).
(Round your...

The following is an incomplete F-table summarizing the
results of a study of the variance of life satisfaction scores
among unemployed, retired, part-time, and full-time employees.
Source of Variation
SS
df
MS
F
Between
groups
18
Within
groups (error)
36
Total
130
(a) Complete the F-table. (Round your values for mean
squares and F to two decimal places.)
Source of Variation
SS
df
MS
F
Between
groups
18
Within
groups (error)...

The following is an incomplete F-table summarizing the
results of a study of the variance of life satisfaction scores
among unemployed, retired, part-time, and full-time employees.
Source of Variation
SS
df
MS
F
Between
groups
21
Within
groups (error)
36
Total
139
(a) Complete the F-table. (Round your values for mean
squares and F to two decimal places.)
Source of Variation
SS
df
MS
F
Between
groups
3
21
Within
groups (error)...

A study investigated the effects of physical fatigue on the
performance of professional tennis players. Researchers measured
the number of unforced errors committed by a random sample of 12
professional tennis players during the first three sets of a match.
They hypothesized that increased fatigue would be associated with a
greater number of errors. The following is an F-table for
this hypothetical study using the one-way within-subjects
ANOVA.
Source of variation- SS ,df, MS F
Between
groups
15
Between
persons ...

10a
The following is an incomplete ANOVA table.
Source of Variation
SS
df
MS
F
Between groups
2
11.7
Within groups
Total
90
10
The value of the test statistic is
Multiple Choice
11.7
90
8.325
1.405

A study investigated the effects of physical fatigue on the
performance of professional tennis players. Researchers measured
the number of unforced errors committed by a random sample of 12
professional tennis players during the first three sets of a match.
They hypothesized that increased fatigue would be associated with a
greater number of errors. The following is an F-table for this
hypothetical study using the one-way within-subjects ANOVA. Source
of Variation SS df MS Fobt Between groups 15 Between persons...

A study investigated the effects of physical fatigue on the
performance of professional tennis players. Researchers measured
the number of unforced errors committed by a random sample of 12
professional tennis players during the first three sets of a match.
They hypothesized that increased fatigue would be associated with a
greater number of errors. The following is an F-table for
this hypothetical study using the one-way within-subjects
ANOVA.
Source of Variation
SS
df
MS
Fobt
Between
groups
15
Between
persons...

A study investigated the effects of physical fatigue on the
performance of professional tennis players. Researchers measured
the number of unforced errors committed by a random sample of 12
professional tennis players during the first three sets of a match.
They hypothesized that increased fatigue would be associated with a
greater number of errors. The following is an F-table for this
hypothetical study using the one-way within-subjects ANOVA. Source
of Variation SS df MS Fobt Between groups 11 Between persons...

The following is an incomplete ANOVA table.
Source of Variation
SS
df
MS
F
Between groups
2
11.8
Within groups
Total
100
10
The p-value of the test is
a) less than 0.14
b) between 0.01 and 0.038
c) between 0.025 and 0.18
d) greater tha

6. (36 pts) The following is an incomplete
ANOVA summary table:
Source
df
SS
MS
F
Among Groups
3
63
Within Groups
16
97
Total
(a) Complete the ANOVA summary table.
(b) Determine the number of groups.
(b) At the α = 0.05 level of significance, determine whether
there is evidence of difference in the population means.

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