Question
In: Statistics and Probability
To test for any significant difference in the number of hours between breakdowns for four machines,...
To test for any significant difference in the number of hours between breakdowns for four machines, the following data were obtained.
| Machine 1 |
Machine 2 |
Machine 3 |
Machine 4 |
|---|---|---|---|
| 6.6 | 8.6 | 10.9 | 9.7 |
| 8.0 | 7.4 | 10.3 | 12.7 |
| 5.5 | 9.5 | 9.7 | 11.9 |
| 7.7 | 10.0 | 10.2 | 10.6 |
| 8.7 | 9.3 | 9.1 | 11.1 |
| 7.9 | 9.8 | 8.6 | 11.2 |
Find the value of the test statistic. (Round your answer to two decimal places.)
______________.
Find the p-value. (Round your answer to three decimal places.)
p-value = ____________.
Use Fisher's LSD procedure to test for the equality of the means for machines 2 and 4. Use a 0.05 level of significance.
Find the value of LSD. (Round your answer to two decimal places.)
LSD = ________.
Find the pairwise absolute difference between sample means for machines 2 and 4.
[x2 − x4]=______.
Solutions
orchestra answered 1 year agoRelated Solutions
To test for any significant difference in the number of hours between breakdowns for four machines,...
To test for any significant difference in the number of hours
between breakdowns for four machines, the following data were
obtained.
Machine
1
Machine
2
Machine
3
Machine
4
6.5
9.0
11.0
9.7
7.9
7.8
10.2
12.7
5.4
9.8
9.6
12.1
7.6
10.4
10.4
10.8
8.7
9.5
9.2
11.3
7.7
9.9
9.0
11.2
(a)
At the α = 0.05 level of significance, what is the
difference, if any, in the population mean times among the four
machines?
State the null...
To test for any significant difference in the number of hours between breakdowns for four machines,...
To test for any significant difference in the number of hours
between breakdowns for four machines, the following data were
obtained.
Machine
1
Machine
2
Machine
3
Machine
4
6.6
8.6
10.9
9.7
8.0
7.4
10.3
12.7
5.5
9.5
9.7
11.9
7.7
10.0
10.2
10.6
8.7
9.3
9.1
11.1
7.9
9.8
8.6
11.2
Use Fisher's LSD procedure to test for the equality of the means
for machines 2 and 4. Use a 0.05 level of significance.
Find the value of...
To test for any significant difference in the number of hours between breakdowns for four machines,...
To test for any significant difference in the number of hours
between breakdowns for four machines, the following data were
obtained.
Machine
1
Machine
2
Machine
3
Machine
4
6.5
8.9
10.7
9.9
7.8
7.7
10.0
12.9
5.4
9.6
9.4
12.0
7.5
10.2
10.0
10.7
8.4
9.5
8.9
11.2
7.6
9.9
8.6
11.7
(a)
At the α = 0.05 level of significance, what is the
difference, if any, in the population mean times among the four
machines?
State the null...
To test for any significant difference in the number of hours between breakdowns for four machines,...
To test for any significant difference in the number of hours
between breakdowns for four machines, the following data were
obtained.
Machine
1
Machine
2
Machine
3
Machine
4
6.7
8.8
10.8
9.6
7.9
7.6
10.2
12.6
5.6
9.5
9.6
11.9
7.5
10.2
10.1
10.5
8.6
9.4
8.9
11.2
7.5
10.3
8.6
11.4
Find the value of the test statistic. (Round your answer to two
decimal places.)___
Use Fisher's LSD procedure to test for the equality of the means
for...
To test for any significant difference in the number of hours between breakdowns for four machines,...
To test for any significant difference in the number of hours
between breakdowns for four machines, the following data were
obtained.
Machine
1
Machine
2
Machine
3
Machine
4
6.6
9.0
10.8
9.8
8.2
7.6
10.2
12.7
5.5
9.7
9.6
12.1
7.6
10.3
10.2
10.7
8.8
9.6
9.0
11.2
7.7
10.2
8.4
11.9
(a)
At the α = 0.05 level of significance, what is the
difference, if any, in the population mean times among the four
machines?
State the null...
To test for any significant difference in the number of hours between breakdowns for four machines,...
To test for any significant difference in the number of hours
between breakdowns for four machines, the following data were
obtained.
Machine
1
Machine
2
Machine
3
Machine
4
6.5
9.1
10.7
9.7
8.1
7.6
10.1
12.4
5.6
9.8
9.3
11.9
7.6
10.3
9.9
10.5
8.5
9.4
8.8
11.1
7.5
10.2
8.8
11.0
(a) At the α = 0.05 level of significance, what is the
difference, if any, in the population mean times among the four
machines?
State the null...
To test for any significant difference in the number of hours between breakdowns for three machines,...
To test for any significant difference in the number of hours
between breakdowns for three machines, the following dataset was
obtained:
Machine 1
Machine 2
Machine 3
6.4
8.7
9.9
7.4
10.3
12.8
12.1
9.2
7.3
8.4
7.4
8.8
Choose ALL appropriate pairs of hypotheses that you would use to
perform this test:
A.
B.
C.
D.
To test for any significant difference in the mean number of hours between breakdowns for four...
To test for any significant difference in the mean number of
hours between breakdowns for four machines, the following data were
obtained.
Machine 1
Machine 2
Machine 3
Machine 4
6.4
8.7
11.1
9.9
7.8
7.4
10.3
12.8
5.3
9.4
9.7
12.1
7.4
10.1
10.3
10.8
8.4
9.2
9.2
11.3
7.3
9.8
8.8
11.5
The mean times between breakdowns are 7.1, 9.1, 9.9 and 11.4
hours respectively. In the analysis of variance, MSTR = 19.26 and
MSE = .97. Use...
To test for any significant difference in the number of hours between breakdowns for four machines, the following data were obtained.
You may need to use the appropriate technology to answer this
question.
To test for any significant difference in the number of hours
between breakdowns for four machines, the following data were
obtained.
You may need to use the appropriate technology to answer this
question.
To test for any significant difference in the number of hours
between breakdowns for four machines, the following data were
obtained.
Machine
1
Machine
2
Machine
3
Machine
4
6.5
8.7
11.0
9.8
8.0
7.6...
1- Test the hypothesis that there is a significant difference between the number of hours older...
1- Test the hypothesis that there is a significant difference
between the number of hours older (60 or more) versus younger
people watch T.V. Alpha is 05
a) State the assumptions
b) State the null and alternate hypotheses
c) explain your decision to reject or not reject and formulate
your conclusion (Alpha is .05) Show your work.
d) what is the mean difference between the two groups?
e) what are the lower and upper 95% confidence intervals?
f) which group...
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