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 |
Solutions
orchestra answered 3 years agoRelated Solutions
The data in the table to the right represent the calories and sugar (in grams) in...
The data in the table to the right represent the
calories and sugar (in grams) in one serving of seven different
types of breakfast cereals.
a. Compute and interpret the coefficient of
correlation, r.
b. At the 0.05 level of significance, is there a
significant linear relationship between calories and
sugar?
Product Calories Sugar
Cereal 1
75
6
Cereal 2
105
1
Cereal 3 104
4
Cereal 4 114
5
Cereal 5 126
5
Cereal 6 189 ...
The following data represent the calories and sugar, in grams, of various breakfast cereals. Product Calories...
The following data represent the calories and sugar, in grams,
of various breakfast cereals.
Product
Calories
Sugar
A
260
10.7
B
300
3.0
C
310
16.5
D
320
20.3
E
420
16.0
F
450
21.4
G
470
19.8
Use the data above to complete parts (a) through (d).
a. Compute the covariance.
(Round to three decimal places as needed.)
The following data represent the calories and sugar, in grams, of various breakfast cereals. Product Calories...
The following data represent the calories and sugar, in grams,
of various breakfast cereals.
Product
Calories
Sugar
A
350
9.7
B
410
4.5
C
430
24.0
D
490
25.0
E
540
22.6
F
550
24.7
G
590
22.2
Use the data above to complete parts (a) through (d).
a. Compute the covariance.
b. Compute the coefficient of correlation.
c. Which do you think is more valuable in expressing the
relationship between calories and
sugar—the covariance or the coefficient of correlation?...
The following data represent the calories and sugar, in grams, of various breakfast cereals. Product Calories...
The following data represent the calories and sugar, in grams,
of various breakfast cereals.
Product
Calories
Sugar
A
270
10.0
B
280
3.8
C
290
21.2
D
410
23.4
E
520
19.8
F
530
23.9
G
550
17.7
Use the data above to complete parts (a) through (d).
Compute the covariance.
b. Compute the coefficient of correlation.
c. Which do you think is more valuable in expressing the
relationship between calories and
sugarlong dash—the
covariance or the coefficient of correlation?...
The file Cereals contains the calories and sugar, in grams, in one serving of seven breakfast...
The file Cereals contains the calories and sugar, in grams, in
one serving of seven breakfast cereals:
Cereal
Calories
Sugar
Kellogg’s all Bran
80
6
Kellogg’s Corn
Flakes
100
2
Wheaties
100
4
Nature’s path Organic Multigrain Flakes 110
4
Kellogg’s rice Krispies
130
4
Post Shredded Wheat Vanilla almond
190
11
Kellogg’s Mini
Wheats
200
10
a. Compute and interpret the coefficient of correlation, r.
b. at the 0.05 level of...
If a product contains 100 calories and 5 grams of fat per serving, what is the...
If a product contains 100 calories and 5 grams of fat per
serving, what is the percentage of calories from fat in the
product?
A.
35%
B.
45%
C.
5%
D.
20%
1 points
QUESTION 2
Solid fats generally have a high proportion of what type of
fatty acids?
A.
Saturated
B.
Unsaturated
C.
Monounsaturated
D.
Polyunsaturated
1 points
QUESTION 3
The lifestyle management techniques recommended by the American
Heart Association and the American College of Cardiology include...
The following data represents the calories and fat (in grams) of 16-ounce iced coffee drinks at...
The following data represents the calories and fat (in grams)
of 16-ounce iced coffee drinks at Dunkin’ Donuts and
Starbucks:
Product
Calories
Fat
Dunkin Donuts Iced Mocha Swirl latte (whole milk)
240
8
Starbucks Coffee Frappuccino blended coffee
260
3.5
Dunkin Donuts Coffee Coolatta (cream)
350
22
Starbucks Iced Coffee Mocha Expresso (whole milk and whipped
cream)
350
20
Starbucks Mocha Frappuccino blended coffee (whipped
cream)
420
16
Starbucks Chocolate Brownie Frappuccino blended coffee
(whipped cream)
510
22
Starbucks Chocolate...
The crab data set contains information on the number of "satellites" per female crab. Use a...
The crab data set contains information on the number of
"satellites" per female crab. Use a Bayesian model to infer the
Poisson parameter.
a. Write the likelihood function.
b. Derive the posterior distribution using a Gamma prior w/
rate=20 & shape=3
c. Provide the posterior mean, posterior SD and 95 and 99%
posterior credibility region (hint: you can use qgamma).
d. Plot the prior and posterior distribution of lambda, in the
same plot.
mean = 2.919075
variance = 9.912018
n =...
Is the number of calories in a beer related to the number of carbohydrates and/or the...
Is the number of calories in a beer related to the number of
carbohydrates and/or the percentage of alcohol in the beer? The
accompanying table has data for 35 beers. The values for three
variables are included: the number of calories per 12 ounces, the
alcohol percentage, and the number of carbohydrates (in grams)
per 12 ounces. Complete parts a through d.
Calories
Alcohol%
Carbohydrates
110
4.2
6.6
70
0.4
13.3
110
4.2
7
55
2.4
1.9
110
4.2
7...
The accompanying table contains data on the weight, in grams, of a sample of 50 tea...
The accompanying table contains data on the weight, in grams,
of a sample of 50 tea bags produced during an eight-hour shift.
Complete parts (a) through (d).
a. Is there evidence that the mean amount of tea per bag is
different from 5.5 grams? (Use alphaαequals=0.10)
State the null and alternative hypotheses.
Upper H equals
5.55
Upper H ≠5.55
A). Determine the test statistic.
B). Find the p-value.
C). Construct a 90% confidence interval estimate of the
population mean amount...
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