Question: The mean annual salaries earned in 2005 by year-round workers with various educational degrees are given in the table: Degree Mean Salary No diploma....... $19,964

The mean annual salaries earned in 2005 by year-round workers with various educational degrees are given in the table:
Degree Mean Salary
No diploma....... $19,964
High school diploma... $29,448
Bachelor’s degree.... $54,689
Master’s degree..... $67,898
Doctoral degree..... $92,863
Professional degree.... $119,009
a. Identify the response variable. Is it quantitative or categorical?
b. Identify the explanatory variable. Is it quantitative or categorical?
c. Explain how a bar graph could summarize the data.

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