A market researcher for an automobile company suspects differences in preferred color between male and female buyers. Advertisements targeted to different groups should take such differences into account, if they exist. The researcher examines the most recent sales information of a particular car that comes in three colors. Compute the value of the test statistic.
|
Color
|
Gender of Automobile Buyer
|
|
Male
|
Female
|
|
Silver
|
470
|
280
|
|
Black
|
535
|
285
|
|
Red
|
495
|
350
|