y = 15.4682x + 39.5294
Estimate:
y = 15.4682(73) + 39.5294 = 1143 calories
Fat content and calories of burgers at eight fast food restaurants are as follows.
X, Fat (grams)=
41
18
57
54
106
79
40
13
y, calories=
710
310
860
900
1520
1180
630
280
To check that you have entered the data correctly on the calculator, press [STAT] [->] [2] to run 2-var stats and check that Σxy = 415490.
Use linear regression to find the linear equation which best fits these data. Round coefficients to four decimal places.
y=
Estimate the number of calories in a burger with 73 grams of fat using the equation. Round your answer to the nearest whole calorie.
calories
1 answer
1 answer