A study of the effects of smoking on sleep patterns is conducted. The measure observed is the time, in minutes, that it takes to fall asleep. These data are obtained: Smokers: 63.3 56.0 22.1 47.6 53.2 48.1 52.7 34.4 60.2 43.8 23.2 13.8 Nonsmokers: 28.6 25.1 26.4 34.9 29.8 28.4 38.5 30.2 30.6 31.8 41.6 21.1 36.0 37.9 13.9 (a) Use R and report the number of observations for each group. (b) Use R and report the sample mean for each group. (c) Use R and report the sample standard deviation for each group. (d) Comment on what kind of impact smoking appears to have on the time required to fall asleep.
A study of the effects of smoking on sleep patterns is conducted. The measure observed is the time, in minutes, that it takes to fall asleep. These data are obtained: Smokers: 63.3 56.0 22.1 47.6 53.2 48.1 52.7 34.4 60.2 43.8 23.2 13.8 Nonsmokers: 28.6 25.1 26.4 34.9 29.8 28.4 38.5 30.2 30.6 31.8 41.6 21.1 36.0 37.9 13.9 (a) Use R and report the number of observations for each group. (b) Use R and report the sample mean for each group. (c) Use R and report the sample standard deviation for each group. (d) Comment on what kind of impact smoking appears to have on the time required to fall asleep.
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![A study of the effects of smoking on sleep patterns is conducted. The measure observed is the time, in minutes, that
it takes to fall asleep. These data are obtained:
Smokers: 63.3 56.0 22.1 47.6 53.2 48.1 52.7 34.4 60.2 43.8 23.2 13.8
Nonsmokers: 28.6 25.1 26.4 34.9 29.8 28.4 38.5 30.2 30.6 31.8 41.6 21.1 36.0 37.9 13.9
(a) Use R and report the number of observations for each group.
(b) Use R and report the sample mean for each group.
(c) Use R and report the sample standard deviation for each group.
(d) Comment on what kind of impact smoking appears to have on the time required to fall asleep.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb05a2df2-fa5e-426e-8211-a1453c248cc9%2Ff1bfde2a-88f6-4cfc-b0df-23d5bd293732%2Fdyq1d2a_processed.png&w=3840&q=75)
Transcribed Image Text:A study of the effects of smoking on sleep patterns is conducted. The measure observed is the time, in minutes, that
it takes to fall asleep. These data are obtained:
Smokers: 63.3 56.0 22.1 47.6 53.2 48.1 52.7 34.4 60.2 43.8 23.2 13.8
Nonsmokers: 28.6 25.1 26.4 34.9 29.8 28.4 38.5 30.2 30.6 31.8 41.6 21.1 36.0 37.9 13.9
(a) Use R and report the number of observations for each group.
(b) Use R and report the sample mean for each group.
(c) Use R and report the sample standard deviation for each group.
(d) Comment on what kind of impact smoking appears to have on the time required to fall asleep.
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VIEWStep 2: (a) Finding the number of observations for each group.
VIEWStep 3: (b) Finding the sample mean for each group.
VIEWStep 4: (c) Finding the sample standard deviation for each group.
VIEWStep 5: (d) Impact of smoking on the time required to fall asleep.
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