Question
A colleague of the investigators in problem 6 repeats the experiment but matches the samples on...
A colleague of the investigators in problem 6 repeats the experiment but matches the samples on the dimensions of sex and job type. Evaluate her experiment. . The obtained statistic: 6.06
Pairs: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Contr: 38 40 35 36 35 32 31 30 28 26 24 21 18 34 22
Relax: 35 32 30 34 30 32 28 27 22 22 18 17 17 25 21
What type of test should you use?
b. Please provide, in words, the null and alternative hypotheses.
c. Using an alpha level of .05 identify the critical value(s).
d. Using the above test statistic, alpha level and critical value(s) what is your statistical decision?
e. State your conclusion regarding the results from this test in language that a friend of yours with no knowledge of statistics could understand.
Homework Answers
Answer #1
Not the answer you're looking for?
Similar Questions
We want to compare the average gas mileage of American-made cars vs. Japanese-made cars. The claim...
We want to compare the
average gas mileage of American-made cars vs. Japanese-made
cars.
The claim is that the Japanese cars and American cars do not get
the same gas mileage.
Use the list data below to test the hypothesis that the Japanese
cars and American cars do not get the same gas mileage.
The American cars are in list1 and the Japanese cars in list2
below
We do not know whether the mileages are normally distributed or
not, but...
After you run the t-test, answer these questions (type responses in this box): 1. What is...
After you run the t-test, answer these questions (type responses
in this box):
1. What is the p-value (the significance)?
2. Is the difference between the mean age first diagnosed for
males and females statistically significant?
Independent Samples
t-TEST
Age First Diagnosed
Male
Female
25
33
35
32
34
45
22
44
34
21
21
33
21
29
18
30
43
31
28
28
29
44
32
54
41
32
25
39
30
36
19
50
15
21
18
37...
The results of a sample of 372 subscribers toWiredmagazine shows the time spent using the Internet...
The results of a sample of 372 subscribers
toWiredmagazine shows the time spent using the Internet
during the week. Previous surveys have revealed that the population
standard deviation is 10.95 hours. The sample data can be found in
the Excel test data file.
What is the probability that another sample of 372 subscribers
spends less than 19.00 hours per week using the Internet?
Develop a 95% confidence interval for the population mean
If the editors of Wiredwanted to have the...
Debates have been ongoing if a traditional classroom settings provide a more effective way to deliver...
Debates have been ongoing if a traditional classroom settings
provide a more effective way to deliver educational content over
more modern alternatives such as online or hybrid online course
offerings. In order to shed light on this debate an experiment was
conducted over a fifteen-week period. In total, 90 students were
randomly separated into 3 different courses. In other words, 30
students were in a traditional classroom for a semester, 30 were
asked to take the course in a hybrid...
The manager of a landline service department wished to investigate the effect of staff development training...
The manager of a landline service department wished to
investigate the effect of staff development training on the job
completion rate among his staff. He selected a random sample of 30
service staff and recorded the number of completed landline
services for each staff member both in the week before training and
again in the week after training. Download and open the
Landline.xlsx file in Excel. This file contains the number of
completed landline services both before and again after...
____________________________________________ The results of a sample of 372 subscribers to Wired magazine shows the time spent...
____________________________________________
The results of a sample of 372 subscribers to Wired
magazine shows the time spent using the Internet during the week.
Previous surveys have revealed that the population standard
deviation is 10.95 hours. The sample data can be found in the Excel
test data file.
What is the probability that another sample of 372 subscribers
spends less than 19.00 hours per week using the Internet?
____________________________________________
Develop a 95% confidence interval for the population mean
____________________________________________
If the editors...
Dataset: Husband Wife 53 50 38 34 46 44 30 36 31 23 26 31 29 ...
Dataset:
Husband Wife
53 50
38 34
46 44
30 36
31 23
26 31
29 25
48 51
65 46
29 26
28 23
29 32
25 22
22 21
21 24
43 50
24 27
38 33
33 26
35 29
40 29
27 25
27 24
49 38
48 39
27 27
26 24
40 34
35 37
21 26
32 39
30 28
60 52
36 40
25 23
66 55
52 34
41 40
43 ...
to look at 36 weeks instead of 20 weeks. His quality improvement team provided him with...
to look at 36 weeks instead of 20 weeks. His quality improvement
team provided him with the data below after an “intervention” was
introduced in week 20. Calculate the upper and lower control limits
and then construct a control chart. Display your chart.
Question: Using the rules for detecting special
causes, can you detect any special causes in this case? If so, what
special causes can you detect? What does this mean? Was the
intervention successful in reducing the delays?...
Greene and Touchstone conducted a study to relate birth weight and Estriol level in pregnant women...
Greene and Touchstone conducted a study to relate birth weight
and Estriol level in pregnant women as given in Table-1:
Table: 1 Sample Data from Greene and Touchstone study relating
birth weight and estriol.
i
Estriol (mg/24 hr) xi
Birth weight(g/100) yi
i
Estriol (mg/24 hr) xi
Birth weight(g/100) yi
1
7
25
17
17
32
2
9
25
18
25
32
3
9
25
19
27
34
4
12
27
20
15
34
5
14
27
21
15
34...
Several years ago, a group of Honda Dealerships determined that the average amount of days automobiles...
Several years ago, a group of Honda Dealerships determined that
the average amount of days automobiles stay on dealers' lots was
equal to 22.1 days. They now believe that the mean time has changed
and would like to test their belief at a significance level of
0.05. Results of a sample of 50 cars on various lots can be found
in the file Honda Hypothesis Test. Use this information to answer
the next several questions and ultimately decide whether or...
ADVERTISEMENT
Need Online Homework Help?
Get Answers For Free
Most questions answered within 1 hours.
ADVERTISEMENT
Active Questions
asked 19 minutes ago
asked 31 minutes ago
asked 32 minutes ago
asked 57 minutes ago
asked 57 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
asked 1 hour ago