A candy maker surveyed chocolate bars available in a local supermarket and found the least squaresregression model shown below. Use the model to answer parts a through c below.Calories = 28.9+ 12.65Fat(g) +2.41Sugar(g)a) The hand-crafted chocolate she makes has 15g of fat and 20g of sugar. How many calories does the modelpredict for a serving?calories(Type an integer or a decimal. Do not round.)b) In fact, a laboratory test shows that her candy has 248 calories per serving. Find the residual correspondingto this candy.calories(Type an integer or a decimal. Do not round.)c) What does that residual say about her candy? Choose the correct choice below and fill in the answer boxwithin your choice.(Type an integer or a decimal. Do not round.)OA. Her candy hasOB. Her candy hasmore calories than might be expected from the model.fewer calories than might be expected from the model.

The given least squares regression model is .

Answered: A candy maker surveyed chocolate bars…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

Current Attempt in Progress A biologist collected data on a sample of 20 porcupines. She wants to be able to predict the body mass of a porcupine (M, in grams) based on the length of the porcupine (L, in cm). Her least squares regression equation is M = 3089 +175.6L. Predict the body mass of a porcupine that is 51 cm long. Report your answer using one decimal place. 5661.0 g 5732.5 g O 5866.6 g 6139.2 g Save for Later Last saved 1 second ago. Saved work will be auto-submitted on the due date. Auto- submission can take up to 10 minutes. Attempts: 0 of 1 used Submit Answer
A medical study on the systolic blood pressure readings (top number) on men over 40 years old results in the data below. The x-value is the number of years past 40 years old and the y-value is the systolic blood pressure reading. x y 8 63 11 77 14 86 17 90 20 140 Find the least squares regression line modeling this data. What is the slope of the regression line? Round your answer to three decimal places. Provide your answer below:
A study of fuel economy for various automobiles plotted the fuel consumption vs. speed. A LSRL was fit to the data. Here is the residual plot from this least-squares fit. What does the pattern of the residuals tell you about the linear model? 3. 2
Statistical Analysis (You may use excel but please show the process. No long explanation needed. Rate will be given) Solve for the following: a. Fit the simple linear regression model using the method of least squares b. Find an estimate of standard deviation c. Estimate the mean chloride concentration for a watershed that has 1% roadway area
Based on data taken from airline fares and distances One of the flights was 350 miles and its residual was - flown, it is determined that the equation of the least- 105.00. What was the fare for this flight? squares regression line is ŷ = 102.50+ 0.65x, where y is the predicted fare and x is the distance, in miles. $102.50 $435.00 $225.00 $330.00
us the least-squares regression method to solve for accidents in May.
The data show the chest size and weight of several bears. Find the regression equation, letting chest size be the independent (x) variable. Then find the best predicted weight of a bear with a chest size of 58 inches. Is the result close to the actual weight of 572 pounds? Use a significance level of 0.05. Chest size (inches) 46 57 53 41 40 40 Weight (pounds) 384 580 542 358 306 320 LOADING... Click the icon to view the critical values of the Pearson correlation coefficient r. What is the regression equation? y=nothing+nothingx (Round to one decimal place as needed.)
study investigated how the content of vitamin A in carrots is affected by the time being cooked. In this example: X represents the amount of time, in minutes, that the carrot slices were cooked Y represents the content of vitamin A (in milligrams) in the carrot slices The least-squares regression equation for this relationship is: Y = 22.4 – 0.65X Using the regression equation, predict the vitamin A content (in milligrams) for a carrot slice that was cooked for 15 minutes. Provide your answer as a numeric value rounded to two decimal places.
I need this urgently please
The cost of a leading liquid laundry detergent in different sizes is given below. Size (ounces) Cost ($) 16 3.29 32 4.09 64 5.09 200 9.89 Part 1) Calculate the least squares line. Put the equation in the form of: ŷ = a + bx. (Round your answers to three decimal places.)ŷ = _____________+______________ x Part 2) Find the correlation coefficient r. (Round your answer to four decimal places.)r = Part 3) If the laundry detergent were sold in a 30-ounce size, find the estimated cost. (Use your equation from part 1. Round your answer to two decimal places.)$ ______________
A pediatrician wants to determine the relation that exists between a child's height, x, and head circumference, v. She randomly selects 11 children from her practice, measures their heights and head circumferences, and obtains the accompanying data. Complete parts (a) through (g) below. A Click the icon to view the children's data. (a) Find the least-squares regression line treating height as the explanatory variable and head circumference as the response variable. y=x+ (D (Round the slope to three decimal places and round the constant to one decimal place as needed.) (b) Interpret the slope and y-intercept, if appropriate. First interpret the slope. Select the correct choice below and, if necessary. in the answer box to complete your choice. O A. For every inch increase in height, the head circumference increases by (Round to three decimal places as needed.) in., on average. O B. For a height of 0 inches, the head circumference is predicted to be (Round to three decimal places as…
An airline has determined that the relationship between the number of passengers (x) on a flight and the total weight (y) (in pounds) of luggage stored in the baggage compartment can be estimated by the least-squares regression equation y = 250+27x. Predict the weight of luggage for a flight with 125 passengers. Which of the following is the answer? A. 402 pounds B. 3625 pounds c. 10,125 pounds d. 34,625 pounds

SEE MORE QUESTIONS

Recommended textbooks for you

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

Probability and Statistics for Engineering and th…

Statistics

ISBN:

9781305251809

Author:

Jay L. Devore

Publisher:

Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…

Statistics

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

Probability and Statistics for Engineering and th…

Statistics

ISBN:

9781305251809

Author:

Jay L. Devore

Publisher:

Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…

Statistics

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

Elementary Statistics: Picturing the World (7th E…

Statistics

ISBN:

9780134683416

Author:

Ron Larson, Betsy Farber

Publisher:

PEARSON

The Basic Practice of Statistics

Statistics

ISBN:

9781319042578

Author:

David S. Moore, William I. Notz, Michael A. Fligner

Publisher:

W. H. Freeman

Introduction to the Practice of Statistics

Statistics

ISBN:

9781319013387

Author:

David S. Moore, George P. McCabe, Bruce A. Craig

Publisher:

W. H. Freeman

SEE MORE TEXTBOOKS