4. (1.5) The following shows the ice cream sales based on the temperature at noon. Temperature in Fahrenheit Sales ($) 60 50 75 95 62 40 80 525 541 850 959 701 237 812 a. Use your calculator to find the line of best fit (The Regression Line). b. Estimate the sales based on a temperature of 85 degrees Fahrenheit by using your Regression Line equation from part a.

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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4. (1.5) The following shows the ice cream sales based on the temperature at noon.
Temperature
in Fahrenheit
60
50
75
95
62
40
80
Sales ($)
525
541
850
959
701
237
812
a. Use your calculator to find the line of best fit (The Regression Line).
b. Estimate the sales based on a temperature of 85 degrees Fahrenheit by using your Regression Line
equation from part a.
coint of intersection beeen the two lines
ersection bete
ines
Transcribed Image Text:4. (1.5) The following shows the ice cream sales based on the temperature at noon. Temperature in Fahrenheit 60 50 75 95 62 40 80 Sales ($) 525 541 850 959 701 237 812 a. Use your calculator to find the line of best fit (The Regression Line). b. Estimate the sales based on a temperature of 85 degrees Fahrenheit by using your Regression Line equation from part a. coint of intersection beeen the two lines ersection bete ines
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