Customers' Ages the Marketing Manager of a Hot Dog Stand Chain

Essay

Customers' Ages
The marketing manager of a Hot Dog Stand chain is in the process of examining some of the demographic characteristics of her customers.In particular,she would like to investigate the belief that the ages of the customers of hot dogs,fast-food hamburger,and fast-food chicken restaurants are different.To test this belief,the ages of eight randomly selected customers from each restaurant type were recorded and listed below.From previous analysis we know that the ages are not normally distributed. ​ ​
-{Customers' Ages Narrative} Does this data provide enough evidence at the 10% significance level to infer that there are differences in ages among the customers of the three restaurant types?