A sports shop is offering a discount on a particular type of running shoe. The manager wants to look at the number of each size sold so far in order to predict how many will be sold in the next week. He wants to make sure all sizes are available in the shop. Here is a list of all sizes that have been sold.

7, 8, 8, 8, 8, 9, 9, 10, 10, 11, 11

Based on past sales, how many sizes will he need to order? Which measure of spread could you use to help you determine this?

Question

A sports shop is offering a discount on a particular type of running shoe. The manager wants to look at the number of each size sold so far in order to predict how many will be sold in the next week. He wants to make sure all sizes are available in the shop. Here is a list of all sizes that have been sold.

 

7, 8, 8, 8, 8, 9, 9, 10, 10, 11, 11

Based on past sales, how many sizes will he need to order? Which measure of spread could you use to help you determine this?