7.2.16 The following are intraocular pressure (mm Hg) values recorded for a sample of 21 elderly subjects: 14.5 12.9 14.0 16.1 12.0 17.5 14.1 12.9 17.9 12.0 16.4 24.2 12.2 14.4 17.0 10.0 18.5 20.8 16.2 14.9 19.6 Can we conclude from these data that the mean of the population from which the sample was drawn is greater than 14? Let a = .05. What assumptions are necessary?

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7.2.16 The following are intraocular pressure (mm Hg) values recorded for a sample of 21 elderly
subjects:
14.5
12.9
14.0
16.1
12.0
17.5
14.1
12.9
17.9
12.0
16.4
24.2
12.2
14.4
17.0
10.0
18.5
20.8
16.2
14.9
19.6
Can we conclude from these data that the mean of the population from which the sample was drawn is
greater than 14? Let a = .05. What assumptions are necessary?
%3D
Transcribed Image Text:7.2.16 The following are intraocular pressure (mm Hg) values recorded for a sample of 21 elderly subjects: 14.5 12.9 14.0 16.1 12.0 17.5 14.1 12.9 17.9 12.0 16.4 24.2 12.2 14.4 17.0 10.0 18.5 20.8 16.2 14.9 19.6 Can we conclude from these data that the mean of the population from which the sample was drawn is greater than 14? Let a = .05. What assumptions are necessary? %3D
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