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In this activity, you will...

In this activity, you will use scatterplots to investigate the relationship between

the governor’s salary and the average per capita income in the state. You

will also analyze differences between scatterplots and other types of graphs.

The following table gives the average per capita income and the governor’s

salary in 2003 for each state in a group of nine northeastern states.

State Per Capita Income 2003 Governor’s Salary 2003

Connecticut 43,173 150,000

Maine 28,831 70,000

Massachusetts 39,815 135,000

New Hampshire 34,702 100,690

New Jersey 40,427 157,000

New York 36,574 179,000

Pennsylvania 31,998 142,142

Rhode Island 31,916 105,000

Vermont 30,740 127,456

Explain how you could use a bar graph to represent and interpret one or

more aspects of the data. Which aspects of the data would the bar graph

help interpret?

Would a histogram help you interpret the data, or an aspect of the data?

Explain.

Which type of graph would help you answer the question: Is there any relationship

between per capita income in a state and the governor’s salary?

1.

2.

3.

Activity 2.2: State Governors’ Salaries and Per Capita Income 413

SSAc02.indd 413 6/19/06 7:54:28 PM

414 Excel Activities

Create a scatterplot of the data using the two quantitative variables, “per

capita income” and “governor’s salary.”

Which variable did you use on the x-axis? Why?

Which variable did you use on the y-axis? Why?

4.

5.

6.

the governor’s salary and the average per capita income in the state. You

will also analyze differences between scatterplots and other types of graphs.

The following table gives the average per capita income and the governor’s

salary in 2003 for each state in a group of nine northeastern states.

State Per Capita Income 2003 Governor’s Salary 2003

Connecticut 43,173 150,000

Maine 28,831 70,000

Massachusetts 39,815 135,000

New Hampshire 34,702 100,690

New Jersey 40,427 157,000

New York 36,574 179,000

Pennsylvania 31,998 142,142

Rhode Island 31,916 105,000

Vermont 30,740 127,456

Explain how you could use a bar graph to represent and interpret one or

more aspects of the data. Which aspects of the data would the bar graph

help interpret?

Would a histogram help you interpret the data, or an aspect of the data?

Explain.

Which type of graph would help you answer the question: Is there any relationship

between per capita income in a state and the governor’s salary?

1.

2.

3.

Activity 2.2: State Governors’ Salaries and Per Capita Income 413

SSAc02.indd 413 6/19/06 7:54:28 PM

414 Excel Activities

Create a scatterplot of the data using the two quantitative variables, “per

capita income” and “governor’s salary.”

Which variable did you use on the x-axis? Why?

Which variable did you use on the y-axis? Why?

4.

5.

6.

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