A sales manager collected the following data on x = years of experience and y = annual sales ($1,000s). The estimated regression equation for these data is ý = 82 + 4x.Years ofExperienceAnnual SalesSalesperson($1,000s)8023.9710244107103101101198.101286.111271013136(a) Compute the residualsYears ofAnnual SalesResiduaisExperience(S1,000s)974.10210710310110119101261112713136Construct a residual plot. 1616161212128--4'-4-4-8-12-12-16-1610121410 12Years of Experience14101214Years of ExperienceYears of Experience16124.-4-84-12-166 8 10 12 14Years of Experience(b) Do the assumptions about the errer terms seem reasonable in light of the residual plot?The plat suggests a generally horzontal band of residual points indicating that the error term assumptions apear reasonableThe plot suggests curvature in the residuals indicating that the errer tem asumptions appear reasonatleThe plot seggests a funnel patterm in the residuals indicating that the error term assumptions appeer reasonableThe plot suggests a generaly horizontal bend of residual points indicating that the error term assumptions do not appear reasonableThe plot suggests a funnel pattern in the residuals indicating that the enror term assumgtions do not agpear reasonabie.spenppagSenpsay

Solution: The estimated regression equation is y^= 82+4x

Answered: Years of Experience Salesperson Annual…

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

Wetlands offer a diversity of benefits. They provide a habitat for wildlife, spawning grounds for U.S. commercial fish, and renewable timber resources. In the last 200 years, the United States has lost more than half its wetlands. Environmental Almanac gives the percentage of wetlands lost in each state in the last 200 years. For the 30 of the lower 48 states, the percentage loss of wetlands per state is as follows. 83 59 35 30 33 45 45 50 59 87 35 50 37 20 68 48 71 51 51 60 38 87 38 9 42 90 42 50 27 27 Make a stem-and-leaf display of these data. (Use the tens digit as the stem and the ones digit as the leaf. Enter NONE in any unused answer blanks.) How are the percentages distributed? Is the distribution skewed? Are there any gaps? (Select all that apply.) a)The percentages are concentrated from 20% to 60%. b)These data are strongly skewed left. c)There are no gaps in the data. d)These data are fairly symmetric, perhaps slightly skewed right. e)There is a gap…
A magazine publishes restaurant ratings for various locations around the world. The magazine rates the restaurants for food, decor, service, and the cost per person. Develop a regression model to predict the cost per person, based on a variable that represents the sum of the three ratings. The magazine has compiled the accompanying table of this summated ratings variable and the cost per person for 25 restaurants in a major city. Complete parts (a) through (e) below. E Click the icon to view the table of summated ratings and cost per person. a. Construct a scatter plot. Choose the correct graph below. O A. OB. OC. O D. ACost ($) 90- ACost ($) 90- ACost ($) 90- ACost ($) 90- 0- 0- 0- 0- 90 90 Rating Rating Rating Rating
Asap
Please do not give solution in image format thanku
use the OLS approach to estinstimate relationship between maize yields and fertilizer applications given the table below; interpret your results. maize yields; 31, 36, 29, 34, 62, 60, 45, 31, 42, 48 fertilizer; 23, 25, 19, 35, 32, 54, 26, 20, 18, 23
Estimate the profits for the year 1973 from the data given below. Year 1971 1972 1974 Profit (in million $) 8.5 12 10
Homework Housework Outside Employment Recreation Other Total Male 29 15 20 23 96 Female 18 17 26 39 4 104 Total 47 32 46 62 13 200
Please do not give solution in image format thanku
Example 3 Draw bar diagram for the following data. Years 1996 1997 1998 1999 2000 2001 Scale (*000) 75 90 85 98 105 109
End of month S&P 500 End of month S&P 500 End of month S&P 500 End of month S&P 500 September-77 96.53 April-80 106.29 November-82 138.53 July-85 191.85 October-77 92.34 May-80 111.24 December-82 140.64 August-85 190.92 November-77 94.83 June-80 114.24 January-83 145.30 September-85 188.63 December-77 95.10 July-80 121.67 February-83 148.06 October-85 182.08 January-78 89.25 August-80 122.38 March-83 152.96 November-85 189.82 February-78 87.04 September-80 125.46 April-83 164.43 December-85 202.17 March-78 89.21 October-80 127.47 May-83 162.39 January-86 211.28 April-78 96.83 November-80 140.52 June-83 167.64 February-86 226.92 May-78 97.24 December-80 135.76 July-83 162.56 March-86 238.90 June-78 95.53 January-81 129.55 August-83 164.40 April-86 235.52 July-78 100.68 February-81 131.27 September-83 166.07 May-86 247.35 August-78 103.29 March-81 136.00 October-83 163.55 June-86 250.84 September-78 102.54 April-81 132.81 November-83 166.40…
Alex records the running time-the number of minutes a movie lasts from start to finish-of 50 popular movies. Which interval contains the median movie run time? 90-100 minutes The distribution of times, in minutes, is shown in the histogram below. 100–110 minutes 110–120 minutes Movie Running Times O 120–130 minutes 16 14 12 4 70 80 90 100 110 120 130 140 150 160 Time (Minutes) Frequency 2.
Part D only HANDWRITTEN answer needed ( NOT TYPED)

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

Years of Experience Salesperson Annual Sales ($1,000s) 80 2. 97 102 4 107 6. 103 101 10 119 10 128 9. 11 127 10 13 136