The data in Temp.Long.Lat.txt give the average (over the years 1931 to 1960) daily minimum January

temperature in degrees Fahrenheit with the latitude and longitude of 56 US cities.

(a) Construct a scatterplot matrix of the data. Does lon-gitude or latitude appear to be the better predictor of a city's temperature? Explain in terms of this plot.

25 30 35 40 45 O co O O OO OO O Jan Temp O O O O O O O O O O O O O 8 oo O O O O o o O O O O O O O 98 808 O O 8 08'9 08 0 O Lat O O O O O O O O O O O oo O O OO O O O O O O O 110 O CO ooo O O O O O O 8 O Long O RC 08 O OO oo O O 2 00 090 OO O 0 10 20 30 40 50 60 70 80 90 100 110 1203D Scatter Plot ooo OO O oo O OO 10 CO O O oo OOO oo O 8 O Jan Temp 25 30 35 40 45 50 70 Long 60 50 40 30 20 10 0 10 20 30 0 40 50 60 City