Using the data on the right, nd the average sales Avg. of the toy store chains (in $1000)? Chain # of Stores Sales/Store ($ 000) a. The overall average sales per store is $|:|. Toys 'R' Us 143 7,238 (rounded to the nearest whole number.) Child World 72 3531 Kaybee 364 501 Lionel 55 3,235 b. The median of sales is: 55D. 6. The overall average sales per chain is (rounded to the nearest integer) is $ |:|