Apparel sales in summer are difficult for apparel retailers because shoppers are usually looking for summer discounts. The July sales for six large apparel retailers for July 2011 are as follows:
Apparel Retailer Sales in Millions
TJX 948.0
Limited 612.3
Gap 745.0
Kohl’s 466.3
Talbots 106.6
Ann Taylor 84.9
Compute the: (i) Mean (ii) Variance (iii) Standard deviation