T-shirt sizes data

A buyer for a t-shirt shop wants to compare the proportion of t-shirts of each size that are sold to the proportion that were ordered. The buyer counts the number of t-shirts of each size that are sold in a week.

You can use this data to demonstrate Chi-Square Goodness-of-Fit Test.

Worksheet column Description
Size The t-shirt size: Small, Medium, Large, or Extra Large
Proportions The proportion of t-shirts that are ordered in the size
Counts The number of t-shirts that are sold in the size