Question: The scatterplot shows the relationship between x = temperature in degrees Fahrenheit and y = chirps per minute for the striped ground cricket, along with

The scatterplot shows the relationship between x = temperature in degrees Fahrenheit and y = chirps per minute for the striped ground cricket, along with the regression line ŷ = −0.31+0.212x.

20 19 18 - 17 16 15 14 70 75 80 85 90 95 Temperature (

a. Calculate and interpret the residual for the cricket who chirped 20 times per minute when the temperature was 88.6°F.

b. About how many additional chirps per minute do you expect a cricket to make if the temperature increases by 10°F?

20 19 18 - 17 16 15 14 70 75 80 85 90 95 Temperature ("F) Chirps per minute

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