Question
Age range, years 18-28 29-39 40-50 51-61 62 and over Midpoint x 23 34 45 56...
| Age range, years | 18-28 | 29-39 | 40-50 | 51-61 | 62 and over |
| Midpoint x | 23 | 34 | 45 | 56 | 67 |
| Percent of super shoppers | 6% | 45% | 19% | 10% | 20% |
(c) Compute the expected age μ of a super shopper. (Round your
answer to two decimal places.)
μ = yr
(d) Compute the standard deviation σ for ages of super shoppers.
(Round your answer to two decimal places.)
σ = yr
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