Question
The following are number of mistakes made on five occasions by word processor operators setting a...
The following are number of mistakes made on five occasions by word processor operators setting a technical report.
Operator 1: 10 13 9 11 12
Operator 2: 11 13 8 16 12
Operator 3: 10 15 13 11 15
Operator 4: 15 7 11 12 9
Perform an analysis of variance and decide at the 0.01 level of significance whether the differences among the four sample means can be attributed to chance. State the conclusion.
Homework Answers
Answer #1
Not the answer you're looking for?
Similar Questions
The following are the number of mistakes made on a similar technical report by three different...
The following are the number of mistakes made on a similar
technical report by three different operators:
Operator A
Operator B
Operator C
10
8
5
8
7
6
8
6
4
9
6
4
7
1
At the 0.05 level of significant, can
we conclude that there is a difference in the number if mistakes
made in general by the three operators?
In a collaborative trial, four laboratories were sent samples from the same batch of a pharmaceutical...
In a collaborative trial, four laboratories were sent samples
from the same batch of a pharmaceutical product and requested to
perform ten assays and report the results based on percentage of a
labeled amount of the drug.
Physician
Time
A
9
A
12
A
10
A
7
A
11
A
13
A
8
A
13
B
10
B
6
B
7
B
10
B
11
B
9
B
9
B
11
C
8
C
9
C
12
C
10
C...
Bag Blue Orange Green Yellow Red Brown Total Number of Candies 1 7 23 9 11...
Bag
Blue
Orange
Green
Yellow
Red
Brown
Total Number of Candies
1
7
23
9
11
4
6
60
2
16
16
4
7
9
4
56
3
14
14
3
10
5
11
57
4
13
14
7
8
8
6
56
5
18
12
7
10
5
7
59
6
12
9
11
9
8
8
57
7
15
16
6
6
6
8
57
8
15
17
8
4
6
7
57
9
12
14
10
5...
The following three independent random samples are obtained from three normally distributed populations with equal variance....
The following three independent random samples are obtained from
three normally distributed populations with equal variance. The
dependent variable is starting hourly wage, and the groups are the
types of position (internship, co-op, work study).
Group 1: Internship
Group 2: Co-op
Group 3: Work Study
11
9.25
9.5
11.25
11
11.25
9.25
12.25
12.5
10
12.5
11
11.25
10.5
13.75
8.5
11
9.25
12
12.25
11.75
11.5
12.75
11
10.5
12.75
13
9.75
12.25
12
10.5
10.75
10.75
Use technology...
The following three independent random samples are obtained from three normally distributed populations with equal variance....
The following three independent random samples are obtained from
three normally distributed populations with equal variance. The
dependent variable is starting hourly wage, and the groups are the
types of position (internship, co-op, work-study).
Group 1: Internship
Group 2: Co-op
Group 3: Work-Study
8.25
12.25
10
11
11.5
11
10.5
10.25
11.75
9.75
10.25
9.75
10
13
10.75
8.5
12.25
10.75
10.75
9.25
14.5
11.75
10.5
10.75
12
11.5
10.25
9.75
12.25
11
9.25
10.75
9.25
Do not forget to...
Independent-Samples t-Test In a research project, researchers track the health and cognitive functions of the elderly...
Independent-Samples t-Test
In a research project, researchers track the health and
cognitive functions of the elderly in the community. To examine any
possible gender differences in their sample, they want to see if
the females and the males differ significantly on the education
level (number of years of formal schooling). The researchers are
not predicting any direction in the possible gender differences so
the hypotheses should be non-directional. They would like to run a
two-tailed test with α = .10....
Random sampling from four normally distributed populations produced the following data: (You may find it useful...
Random sampling from four normally distributed populations
produced the following data: (You may find it useful to
reference the F table.)
Treatments
A
B
C
D
−12
−20
−5
−20
−20
−9
−18
−20
−11
−13
−17
−20
−19
−7
−16
Click here for the Excel Data File
a. Calculate the grand mean. (Negative
value should be indicated by a minus sign. Round
your answer to 2 decimal places.)
b. Calculate SSTR and MSTR.
(Round intermediate calculations to at least...
6. (07.04 MC) Students at a local elementary school were randomly selected to participate in a...
6.
(07.04 MC)
Students at a local elementary school were randomly selected to
participate in a reading fluency program. The program is designed
to increase their reading fluency. A total of 17 students each took
a pretest before the program and posttest after the program. The
mean differences in the posttest and pretest is 11. The
administration decided that all students in the school would
participate in the program next school year. Let µA denote the mean
score of the...
Perform the following tests answering each part. Assume random samples taken from populations that are normally...
Perform the following tests answering each part. Assume random
samples taken from populations that are normally distributed. A
manufacturer considers his production process to be out of control
when defects exceed 3%. In a random sample of 85 items, the defect
rate is 5.9% but the manager claims that this is only a sample
fluctuation and production is not really out of control. At the
0.01 level of significance, test the manager's
---What is the Claim in symbolic Format? Question...
Use the following information to answer questions 11-13 An ANOVA test is conducted to compare three...
Use the following information to answer questions
11-13
An ANOVA test is conducted to compare three different income tax
software packages to determine whether there is any difference in
the average time it takes to prepare income tax returns using the
three different software packages. Ten different individuals'
income tax returns are done by each of the three software packages
and the time is recorded for each. Because individual tax returns
are different the analysis has decided to block on...
ADVERTISEMENT
Need Online Homework Help?
Get Answers For Free
Most questions answered within 1 hours.
ADVERTISEMENT
Active Questions
asked 1 minute ago
asked 3 minutes ago
asked 7 minutes ago
asked 13 minutes ago
asked 34 minutes ago
asked 36 minutes ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago