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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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