A paper reported the following data on single-leg power at a low workload. The sample mean for n = 14

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A paper reported the following data on single-leg power at a low workload. The sample mean for n = 14

[From: ] [author: ] [Date: 13-03-06] [Hit: ]

x=[14(119.7692)+156]/15=122.......

A paper reported the following data on single-leg power at a low workload. The sample mean for n = 14 observations was x = 119.8 (actually 119.7692), and the 15th observation, somewhat of an outlier, was 156. What is the value of x for the entire sample?

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It appears that you are being asked for the value of the sample mean of 15 observations given the average value of the first 14 observations and the value of the 15th observation:

x=[14(119.7692)+156]/15=122.18

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