MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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O
Technology output for the 95% confidence interval
Gender
Female 401
Male
N Mean StDev SE Mean
116.6 20.8
1.0
418 117.9
17.3
0.8
Two-sample T for BPSys
Difference = μ (Female) - μ (Male)
Estimate for difference: - 1.3
95% CI for difference: (-3.93,1.33)
a
Print
X
D
Done
O
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Transcribed Image Text:O Technology output for the 95% confidence interval Gender Female 401 Male N Mean StDev SE Mean 116.6 20.8 1.0 418 117.9 17.3 0.8 Two-sample T for BPSys Difference = μ (Female) - μ (Male) Estimate for difference: - 1.3 95% CI for difference: (-3.93,1.33) a Print X D Done O
When you have your blood pressure taken, the larger number is the systolic blood pressure. Researchers looked at whether men and women have different systolic blood pressure levels. Use the accompanying
technology output to report and interpret the 95% confidence interval for the difference in mean systolic blood pressure for men and women. Does this support the hypothesis that men and women differ in mean
systolic blood pressure? Explain.
Click the icon to view the technology output
s
Report and interpret the 95% confidence interval
Select the correct choice below and fill in any answer boxes to complete your choice.
(Type integers or decimals. Do not round. Use ascending order.)
OA. It can be stated with 95% confidence that the difference in mean systolic blood pressure between women and men is between
OB. There is a 95% chance that the difference in mean systolic blood pressure between women and men is between
OC. The difference in mean systolic blood pressure between women and men is definitely between
and
Does this support the hypothesis that men and women differ in mean systolic blood pressure?
Because the interval
systolic blood pressure is
contain zero, the possibility that the mean difference between the populations is 0
the women's mean systolic blood pressure
and
and
be ruled out. Since this difference, HFemale Male
the men's mean
expand button
Transcribed Image Text:When you have your blood pressure taken, the larger number is the systolic blood pressure. Researchers looked at whether men and women have different systolic blood pressure levels. Use the accompanying technology output to report and interpret the 95% confidence interval for the difference in mean systolic blood pressure for men and women. Does this support the hypothesis that men and women differ in mean systolic blood pressure? Explain. Click the icon to view the technology output s Report and interpret the 95% confidence interval Select the correct choice below and fill in any answer boxes to complete your choice. (Type integers or decimals. Do not round. Use ascending order.) OA. It can be stated with 95% confidence that the difference in mean systolic blood pressure between women and men is between OB. There is a 95% chance that the difference in mean systolic blood pressure between women and men is between OC. The difference in mean systolic blood pressure between women and men is definitely between and Does this support the hypothesis that men and women differ in mean systolic blood pressure? Because the interval systolic blood pressure is contain zero, the possibility that the mean difference between the populations is 0 the women's mean systolic blood pressure and and be ruled out. Since this difference, HFemale Male the men's mean
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