Chis Square Problem Set Names
1. An employer is involved in a lawsuit concerning work discrimination. The Company employs 25% White Employees, 10% Asian employees, 20% Black Employees, 25% Latino Employees and 20% Native American Employees. The following table lists the number of promotions awarded by the company according to the employee's ethnicity over the past 5 years:
Does it appear that the employer favors some ethnicities over others when considering candidates for promotion?
Perform the appropriate hypothesis test and then report which, if any, ethnicities are favored.
|
Ethnicity of Employee
|
Number of Promotions
|
|
White
|
25
|
|
Asian
|
18
|
|
Black
|
29
|
|
Latino
|
12
|
|
Native American
|
20
|
2. A recent poll reported counts for political identification (Americans of voting age) and gender with the following results:
Is there an association between gender and political identification? Perform the appropriate hypothesis test and the characterize the association if appropriate.
|
|
Male
|
Female
|
|
Republican
|
133
|
119
|
|
Democrat
|
152
|
195
|
|
Independent
|
162
|
123
|