One measure of physical fitness is the amount of time it takes for the pulse rate to return to normal after exercise, which is called the pulse-recovery time. A random sample of 20 women aged 40-50 exercised on stationary bicycles for 30 minutes. The amount of time it took for their pulse rates to return to pre- exercise levels was measured and recorded. The sample mean was 16.5 minutes and the sample standard deviation was 3.46 minutes. 11. Find the 95% confidence interval for the mean pulse-recovery time for all women aged 40-50. (14.97, 18.03) в (14.92, 18.08) C (14.88 , 18.12) (14.84, 18.16) (14.80, 18.20) D E 12. Find the 99% confidence interval for the mean pulse-recovery time for all women aged 40-50. A. (14.29, 18.71) B (14.41, 18.59) C (14.34, 18.56) (14.23 , 18.77) (14.17, 18.83) E
One measure of physical fitness is the amount of time it takes for the pulse rate to return to normal after exercise, which is called the pulse-recovery time. A random sample of 20 women aged 40-50 exercised on stationary bicycles for 30 minutes. The amount of time it took for their pulse rates to return to pre- exercise levels was measured and recorded. The sample mean was 16.5 minutes and the sample standard deviation was 3.46 minutes. 11. Find the 95% confidence interval for the mean pulse-recovery time for all women aged 40-50. (14.97, 18.03) в (14.92, 18.08) C (14.88 , 18.12) (14.84, 18.16) (14.80, 18.20) D E 12. Find the 99% confidence interval for the mean pulse-recovery time for all women aged 40-50. A. (14.29, 18.71) B (14.41, 18.59) C (14.34, 18.56) (14.23 , 18.77) (14.17, 18.83) E
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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
Transcribed Image Text:One measure of physical fitness is the amount of time it takes for the pulse rate to return to normal after
exercise, which is called the pulse-recovery time. A random sample of 20 women aged 40-50 exercised
on stationary bicycles for 30 minutes. The amount of time it took for their pulse rates to return to pre-
exercise levels was measured and recorded. The sample mean was 16.5 minutes and the sample standard
deviation was 3.46 minutes.
11.
Find the 95% confidence interval for the mean pulse-recovery time for all women aged 40-50.
A
(14.97, 18.03)
в
(14.92 , 18.08)
(14.88 , 18.12)
(14.84 , 18.16)
(14.80 , 18.20)
D
E
12.
Find the 99% confidence interval for the mean pulse-recovery time for all women aged 40-50.
(14.29 , 18.71)
(14.41 , 18.59)
(14.34 , 18.56)
(14.23 , 18.77)
A
B
C
E
(14.17, 18.83)
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