Question
The following data represents the number of minutes an athlete spends training per day. 73 74 7677797983848884848586 86 87 8788919292939798988182 The mean and standard deviation
The following data represents the number of minutes an athlete spends training per day.
73 74 7677797983848884848586
86 87 8788919292939798988182
The mean and standard deviation were computed to be 85.54 and 6.97, respectively.
a. What percentage of measurements would you expect to be between 71.60 and 99.48?
______________
b. What percentage of the measurements lies in the interval (71.60, 99.48)?
Question:
The following data represent the scores for a sample of 10 students on a 20-point chemistry quiz:
16 14 2 8 12 12 9 10 15 13
Calculate the z score for the smallest and largest observations
Smallest: ______________
Largest: ______________
Is either of these observations unusually large or unusually small?
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