MAT1372 Statistics with Probability, SP2018
US: blue is gdp/population, red is median household income, both in constant dollars and indexed from 1993
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Insightful graph representing lines for internet usage and TV usage. At some year, we will see the lines intersect or the TV usage being the same as internet usage. I would suggest maybe predicting when this will be.
Question: What is the slope for each of the trend-lines, and can you interpret this into words. What would the correlation coefficient(r) be as well as r^2?