d) Construct a 99% confidence interval for the mean difference in the number of runs scored by League A teams in a League A park and the number Interpret the interval Lower bound: -0.336 Upper bound: 3.936 (Round to three decimal places as needed.) > Interpret the confidence interval. Select the correct choice below and fill in the answer boxes to complete your choice (Round to three decimal places as needed. Use ascending order) A. We are 99% confident the difference between the mean number of runs scored in a League A park and the mean number of runs scored in a League B park is between -0.336 and 3.936 The confidence interval contains zero, so there is not sufficient evidence to conclude there is a difference in the mean number of runs scored with or without the DH OB. We are 99% confident the difference between the mean number of runs scored in a League A park and the mean number of runs scored in a League B park is between interval does not contain zero, so there is sufficient evidence to conclude there is a difference in the mean number of runs scored with or without the DH and The confidence

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 22PFA
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Correct part d if needed

baseball, League A allows a designated hitter (DH) to bat for the pitcher, who is typically a weak hitter. In League B, the pitcher must bat. The common belief is that this results in League A teams scoring more
ns. In interleague play, when League A teams visit League B teams, the League A pitcher must bat. So, if the DH does result in more runs, it would be expected that league A teams will score more runs in
eague A park than when visiting League B parks. To test this claim, a random sample of runs scored by league A teams with and without their DH is given in the accompanying table. Complete parts a) through d)
elow.
Click the icon to view the data table.
A. Do not reject Ho. There is not sufficient e
OB. Reject Ho. There is not sufficient evidenc
OC. Do not reject Ho. There is sufficient evide
D. Reject Ho. There is sufficient evidence at
Construct a 99% confidence interval for the me
erpret the interval.
wer bound: -0.336
per bound: 3.936
ound to three decimal places as needed.)
erpret the confidence interval. Select the corre
ound to three decimal places as needed. Use a
A. We are 99% confident the difference betw
confidence interval contains zero, so there
B. We are 99% confident the difference betw
interval does not contain zero, so there is
Sample of Runs
Full data set
League A Park (with DH)
2
3
6
8
3
7
4
12
5
13
9
9
5
7
4
3
2
5
5
6 14 14 7
0
6
1
League B Park (without DH)
5 4 7
2 9
2
2
1
2
6433
5
6
8
3
5
6
5
10
4
1
1
3
2 7
9
3
2
-
X
ith a designated hitter result in more runs.
esignated hitter result in more runs.
a designated hitter result in more runs.
nated hitter result in more runs.
League A park and the number of runs scored by League A teams in a League B park.
ean number of runs scored in a League B park is between -0.336 and 3.936. The
ean number of runs scored with or without the DH.
ean number of runs scored in a League B park is between
mber of runs scored with or without the DH.
and The confidence
Transcribed Image Text:baseball, League A allows a designated hitter (DH) to bat for the pitcher, who is typically a weak hitter. In League B, the pitcher must bat. The common belief is that this results in League A teams scoring more ns. In interleague play, when League A teams visit League B teams, the League A pitcher must bat. So, if the DH does result in more runs, it would be expected that league A teams will score more runs in eague A park than when visiting League B parks. To test this claim, a random sample of runs scored by league A teams with and without their DH is given in the accompanying table. Complete parts a) through d) elow. Click the icon to view the data table. A. Do not reject Ho. There is not sufficient e OB. Reject Ho. There is not sufficient evidenc OC. Do not reject Ho. There is sufficient evide D. Reject Ho. There is sufficient evidence at Construct a 99% confidence interval for the me erpret the interval. wer bound: -0.336 per bound: 3.936 ound to three decimal places as needed.) erpret the confidence interval. Select the corre ound to three decimal places as needed. Use a A. We are 99% confident the difference betw confidence interval contains zero, so there B. We are 99% confident the difference betw interval does not contain zero, so there is Sample of Runs Full data set League A Park (with DH) 2 3 6 8 3 7 4 12 5 13 9 9 5 7 4 3 2 5 5 6 14 14 7 0 6 1 League B Park (without DH) 5 4 7 2 9 2 2 1 2 6433 5 6 8 3 5 6 5 10 4 1 1 3 2 7 9 3 2 - X ith a designated hitter result in more runs. esignated hitter result in more runs. a designated hitter result in more runs. nated hitter result in more runs. League A park and the number of runs scored by League A teams in a League B park. ean number of runs scored in a League B park is between -0.336 and 3.936. The ean number of runs scored with or without the DH. ean number of runs scored in a League B park is between mber of runs scored with or without the DH. and The confidence
d) Construct a 99% confidence interval for the mean difference in the number of runs scored by League A teams in a League A park and the number of runs scored by League A teams in a League B park.
Interpret the interval.
Lower bound: -0.336
Upper bound: 3.936
(Round to three decimal places as needed.)
D
Interpret the confidence interval. Select the correct choice below and fill in the answer boxes to complete your choice.
(Round to three decimal places as needed. Use ascending order)
A. We are 99% confident the difference between the mean number of runs scored in a League A park and the mean number of runs scored in a League B park is between -0.336 and 3.936. The
confidence interval contains zero, so there is not sufficient evidence to conclude there is a difference in the mean number of runs scored with or without the DH.
B. We are 99% confident the difference between the mean number of runs scored in a League A park and the mean number of runs scored in a League B park is between
interval does not contain zero, so there is sufficient evidence to conclude there is a difference in the mean number of runs scored with or without the DH.
and
The confidence
Transcribed Image Text:d) Construct a 99% confidence interval for the mean difference in the number of runs scored by League A teams in a League A park and the number of runs scored by League A teams in a League B park. Interpret the interval. Lower bound: -0.336 Upper bound: 3.936 (Round to three decimal places as needed.) D Interpret the confidence interval. Select the correct choice below and fill in the answer boxes to complete your choice. (Round to three decimal places as needed. Use ascending order) A. We are 99% confident the difference between the mean number of runs scored in a League A park and the mean number of runs scored in a League B park is between -0.336 and 3.936. The confidence interval contains zero, so there is not sufficient evidence to conclude there is a difference in the mean number of runs scored with or without the DH. B. We are 99% confident the difference between the mean number of runs scored in a League A park and the mean number of runs scored in a League B park is between interval does not contain zero, so there is sufficient evidence to conclude there is a difference in the mean number of runs scored with or without the DH. and The confidence
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