
The scatterplot above shows a company's ice cream sales , in dollars, and the high temperature , in degrees Celsius (°C), on 12 different days. A line of best fit for the data is also shown. In the context of this problem, what does the slope of the line of best fit represent?
The predicted ice cream sales when the temperature is 0°C.
The average daily ice cream sales.
The predicted increase in ice cream sales for each 1°C increase in temperature.
The highest temperature recorded during the 12 days.