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For ten days in the summer, a local ice cream stand collects data on how much they receive in ice cream sales that day, as well as the daily temperature. The data is recorded in the scatterplot with a regression line and equation below.

Which of the following statements is true regarding the effect of temperature on ice cream sales?

A

There is a negative correlation between outside temperature and ice cream sales.

B

The ice cream stand can expect to make around \$320 when the outside temperature is 94'F.

C

For a 1'F increase in temperature, ice cream sales increase by about \$7.31.

D

For a 1'F increase in temperature, ice cream sales decrease by about \$7.31.

E

The outside temperature seems to have absolutely no effect on ice cream sales.

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