# Question

In 2000, the population mean hourly wage for males was $22 for white-collar jobs, $11 for service jobs, and $14 for blue-collar jobs. For females the means were $15 for white-collar jobs, $8 for service jobs, and $10 for blue-collar jobs.3

a. Identify the response variable and the two factors.

b. Show these means in a two-way classification of the two factors.

c. Compare the differences between males and females for

(i) White-collar jobs and

(ii) Blue-collar jobs.

Explain why there is interaction, and describe it.

d. Show a set of six population mean incomes that would satisfy H0: no interaction.

a. Identify the response variable and the two factors.

b. Show these means in a two-way classification of the two factors.

c. Compare the differences between males and females for

(i) White-collar jobs and

(ii) Blue-collar jobs.

Explain why there is interaction, and describe it.

d. Show a set of six population mean incomes that would satisfy H0: no interaction.

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