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# This table lists the cost (in dollars) of a hotdog in Philadelphia and the bus fare in the same year. Following scatter plot of the data. Do not use excel Year 1960...

## Question

###### This table lists the cost (in dollars) of a hotdog in Philadelphia and the bus fare in the same year. Following scatter plot of the data. Do not use excel Year 1960 1973 1986 1995 2002 2003 2009 2013 2015Hotdog Cost0.15 0.35 1.00 1251.75 2.00 225 2.30 2.75Bus fare (S)0.15 0.351.00 135150 2.00 225250 275Hotdog Cost vs_ Bus fare over timeHotdog Cost (S)Which the estimated value of the correlation coefficient? -0.9912 05124 0.5124 0.9912 2) Can we conclude that the cost of hotdog has direct causal

This table lists the cost (in dollars) of a hotdog in Philadelphia and the bus fare in the same year. Following scatter plot of the data. Do not use excel Year 1960 1973 1986 1995 2002 2003 2009 2013 2015 Hotdog Cost 0.15 0.35 1.00 125 1.75 2.00 225 2.30 2.75 Bus fare (S) 0.15 0.35 1.00 135 150 2.00 225 250 275 Hotdog Cost vs_ Bus fare over time Hotdog Cost (S) Which the estimated value of the correlation coefficient? -0.9912 05124 0.5124 0.9912 2) Can we conclude that the cost of hotdog has direct causal effect on the bus fare and wby? 3) Find or estimate r2, What docs this value tell us? 4) Does appear tbat the best-fit line above can be used make reasonably Bood prediction of bus fare given the cost of & hotdog? 5) Using the cquation fcr the best-fit [ line , We find that whcn & botdog costs 51OOQ ta Eedicled bus fe [s SLOIL . Is that predicled bus fare likcly to be accurale prediction? FuLy orgy pot

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