The scatter diagram drawn in Minitab shows the relation between the percentage of the population of a state plus Washington, DC, that has at least a bachelor€™s degree and the median income (in dollars) of the state for 2013.

(a) Describe any relation that exists between level of education and median income.
(b) One observation appears to stick out from the rest. Which one? This particular observation is for Washington, DC. Can you think of any reasons why Washington, DC, might stick out from the rest of the states?
(c) The correlation coefficient between the percentage of the population with a bachelor€™s degree and median income is 0.854. Does a linear relation exist between percent of the population with at least a bachelor€™s degree and median income?

Transcribed Image Text:

Percent of Populatilon with At Leat a lachelor's Degree v. Median Income Bachelon Medan ame