4.49 Do States with Higher Populations Have More Millionaires? The following table gives the number of millionaires (in thousands) and the population (in hundreds of thousands) for the states in the northeastern region of the United States in 2008. The numbers of millionaires come from Forbes Magazine in March 2007. a. Without doing any calculations, predict whether the correlation and slope will be positive or negative. Explain your prediction. b. Make a scatterplot with the population (in hundreds of thousands) on the x-axis and the number of millionaires (in thousands) on the y-axis. Was your prediction correct? c. Find the numerical value for the correlation.
4.49 Do States with Higher Populations Have More Millionaires? The following table gives the number of millionaires (in thousands) and the population (in hundreds of thousands) for the states in the northeastern region of the United States in 2008. The numbers of millionaires come from Forbes Magazine in March 2007. a. Without doing any calculations, predict whether the correlation and slope will be positive or negative. Explain your prediction. b. Make a scatterplot with the population (in hundreds of thousands) on the x-axis and the number of millionaires (in thousands) on the y-axis. Was your prediction correct? c. Find the numerical value for the correlation.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter9: Systems Of Equations And Inequalities
Section: Chapter Questions
Problem 51RE
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Question
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Do States with Higher Populations Have More Millionaires? The following table gives
the number of millionaires (in thousands) and the population (in hundreds of
thousands) for the states in the northeastern region of the United States in 2008. The
numbers of millionaires come from Forbes Magazine in March 2007.
a. Without doing any calculations, predict whether the correlation and slope will
be positive or negative. Explain your prediction.
b. Make a scatterplot with the population (in hundreds of thousands) on the x-axis
and the number of millionaires (in thousands) on the y-axis. Was your
prediction correct?
c. Find the numerical value for the correlation.
d. Find the value of the slope and explain what it means in context. Be careful with
the units.
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