(Solution) - Refer to the running distance data of Exercise 2 6 8 The sample -(2025 Original AI-Free Solution)

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Refer to the running-distance data of Exercise 2.6.8. The sample mean is 32.23 m and the SD is 8.07 m. What percentage of the observations are within
(a) 1 SD of the mean?
(b) 2 SDs of the mean?
Exercise 2.6.8
In a study of the lizard Sceloporus occidentals biologists measured the distance (m) run in 2 minutes for each of 15 animals. The results (listed in increasing order) were as follows: