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# 送20點!!! ~ 統計學的問題

A company suspect that the major factor influencing the quantity of soda consumed is the maximum temperature(F) on the day of each game.

a) estimate the linear equation that relates the quantity of soda sold to the maximum temperature.

b) is there evidence to suggest that increases in temperature increase the quantity of soda sold?

c) construct a prediction and a 95% prediction interval for the amount of soda sold when the maximum temperature is 70 degrees (F).

d) at what temperature would you predict the quantity of sodas sold to be zero?

Data:

sold

1250 890 1093 1546 635 937 1142 1120 1067 1410 987 1198 1429 1147 1200 904 1342 1005

temp

81 60 73 86 58 68 75 76 72 84 69 77 85 74 74 62 83 70