Question: need help on number 2 and 3! -vv -nJ-u- 2. Consider many countries around the world. There is a positive correlation between the number of

need help on number 2 and 3!

-vv -nJ-u- 2. Consider many countries around the world. There is a positive correlation between the number of cell phones per person x and the average life expectancy y. Does this mean that we could increase the life expectancy in Rwanda by shipping cell phones to that country? Explain. A least-squares regression line is not just any line drawn through the points of a scatterplot. What are I two special things about a least-squares regression line? \" A social scientist wants to use subjects' number of hours playing sports each Week to predict their (mam n... n a...\" '12..--\" ._ _:L 4 n

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