Calculate the deviations from the mean

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Reference no: EM132776487

1. What kind of sampling is this?
For each Mall:
2. Calculate the mean.
3. Determine the median.
4. Determine the max, min and range.
5. Calculate the deviations from the mean, for each observation.
6. Square each deviation (x minus mean).
7. Calculate the sum of squared deviations, SS.
8. Calculate sample variance, s2 = SS / (n-1).
9. Calculate standard deviation s=sqrt(s2).
10. Calculate coefficient of variation, CV=100*(s/mean).
11. Calculate the standard error of the mean, SE = s/sqrt(n).
12. Make a table of mean, variance, SD, CV and SE.
13. Which dataset seems more variable, relative to the mean?
14. Make frequency graphs (histograms) for these categories: 0-9, 10-19, 20-29, 30-39, 40-49, 50+

Attachment:- lab1.rar

Reference no: EM132776487

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