Question
Suppose nine items are sampled from a normally distributed population with a mean of 120120 and a standard deviation of 1717. The nine randomly sampled
Suppose nine items are sampled from a normally distributed population with a mean of
120120
and a standard deviation of
1717.
The nine randomly sampled values are shown in the table.
| 140140 | 9595 | 103103 | 116116 | 123123 | |
| 109109 | 9393 | 7676 | 7777 |
Calculate the probability of getting a sample mean that is larger than the sample mean for these nine sampled values.
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A Survey Of Mathematics With Applications
Authors: Allen R. Angel, Christine D. Abbott, Dennis Runde
11th Edition
0135740460, 978-0135740460
