Question

In: Statistics and Probability

The data on the left contains nutrition information on the number of Calories and grams of...

The data on the left contains nutrition information on the number of Calories and grams of carbohydrates for 58 sandwiches and similar items on McDonald's menu.

1:)

A. Run a regression of Calories (y-variable) on Carbs (x-variable). Be sure to include the scatterplot with the least squares line.

B. Interpret the slope of the regression in the context of the problem.

C. Interpret the R-square in the context of the problem.

D. Predict the number of calories for an item with 40 grams of carbohydrates. Type your answer in cell E4.

Data set:

Calories Carbs
780 55
420 34
520 45
290 33
600 47
480 35
290 30
290 35
230 30
680 45
420 35
560 53
740 42
400 40
250 31
230 24
240 32
370 33
450 47
790 56
520 41
640 42
530 57
410 45
330 32
460 27
920 53
180 11
280 16
350 39
380 37
470 45
610 58
400 44
370 40
620 67
580 67
310 30
420 47
640 50
550 66
510 66
290 25
290 30
520 67
470 67
170 28
290 62
160 16
600 106
400 37
390 64
350 64
710 56
420 47
370 32
430 32
540 49

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