MartensLA3

MartensLA3 - which age groups, if any can be considered...

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Column n Mean Variance Std. Dev. Std. Err. Median Range Min Max Q1 Q 3 Sort(Ages of executives) 100 49.62 101.93495 10.096284 1.0096284 49 55 27 82 42 56

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4. Interpret the results in terms of the data. In other words, the middle two quartiles range between what two ages? The middle two quartiles range between 42 and 56. The range is 12. 5. On the basis of this sample, at what age would you expect to become an executive? Explain your answer. Age 49. It is the average. 6. If it is considered to be unusual to be more than two standard deviations from the mean,
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Unformatted text preview: which age groups, if any can be considered unusual based on the standard deviation? Explain your reasoning. (Age groups could be considered to be 20-29, 30-39, 40-49, 50-59, 60-69, 70-79, 80-89) Ages 70-79, 80-89. My reasoning is that those two age groups are above the norm. The two deviations above the median gives us 69.192568 ( 10.096284*2+49 ). On the lower end we have a second deviation from the median at 28.807432 ( 10.096284*2-49 ). This is well within the 20-29 age range by 1.12 years....
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MartensLA3 - which age groups, if any can be considered...

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