2) During a 6 weeks period, a Quick Sell dealer kept a weekly record of the number x of TV adsversus the number y of cars sold. The result is given in the following table:XY614IA81284210a) Draw a scatter-plot diagram. Remember to name the axes.Cars Salef2015 12 2817 18 208L.J.16 121676.20Til addb) Based on the scatter-plot diagram, would you estimate the correlation coefficient to bepositive, close to zero, or negative?

Here dependent variable (y) = no. of cars sold Independent variable (x) = no. of TV ads No. of weeks…

Answered: a) Draw a scatter-plot diagram.…

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

The data to the right shows the number of graduating students with business majors at a university over the last 15 years. 277 269 263 256 247 241 236 230 224 214 208 202 a. Construct a box-and-whisker plot for this data. b. Identify the five-number summary. 197 187 182 斯 a) Choose the correct box-and-whisker plot of the data below. C. O B. OA. 150 200 250 300 150 200 250 300 150 200 250 300 b) The five-number summary is (Use ascending order.)
The following data gives the number of hours 10 students spent studying and their corresponding grades on their midterm exams, Hours spent studying 0.5 1 1.5 2 2.5 4 4.5 5 5.5 6 Midterm Grades 63 69 75 78 81 84 90 93 96 99 Draw a scatter plot of the given data. Select a location in the chart to plot a point. Points can be moved by dragging or using the arrow keys. Estimate the correlation in words: positive, neagative, no correlation Calculate the correlation coefficient, r. Round your answer to three decimal places. Hours unspervised 0 1 2 4 5 Overall Grades 100 92 88 84 72 Calculate the correlation coefficient, r. Round your answer to three decimal places. Determine whether the given correlation coefficient is staatically significant at the specified level of significance and sample size. r=0.452 ,a=0.005, n=28
Construct the equation for the line of best fit for the following data set. Draw the line of best fit and label the intercepts. Show all of your work in creating the equation using the intercepts.
Mr. K. as a BIG family! At a recent family gathering he recorded which grades his cousins' kids are in. Here is the raw data: 2, 11, 10, 11, 7, 6, 12, 5, 9, 4, 7, 2 Record the... Min: Q1: Median: Q3: IQ Range: Маx: Range: Then MAKE a Box-and-Whisker plot of the data. 4 6. 8 9 10 11 12 13
Many people believe that crime rate declines with age. a) Use the data below to verify whether this is true using a scatterplot. b) Is the relationship between crime rate and age strong, medium, or weak? c) Can the correlation coefficient be used to measure the extent to which crime rate is related to age? E Click the icon to view the data. a) Choose the correct scatterplot below. O A. O B. OC. OD. 20,000- 20,000- 20,000- 20,000- 0- Age Age Age Age Does it appear that the crime rate declines with age? O A. The crime rate tends to gradually increase with age. B. The crime rate tends to increase until adulthood, after which it gradually declines. OC. The crime rate tends to increase until middle age, after which it gradually declines. O D. The crime rate tends to gradually decrease with age. b) Is the relationship between crime rate and age strong, medium, or weak? O A. The scatterplot appears to show a medium relationship. B. The scatterplot appears to show a weak relationship. O C. The…
Create a scatter plot for the given data with the best line of fit.The data was collected from conducting the baking soda and vingear balloon expirement.Label the x-axis and y-axis.Label the title : Circumference of balloon vs. Baking soda(tsp).Describe the correlation.
Please help me answer the questions about correlation according to the graph. So would it be linear, strong, positive, or no association? Or negative and weak?
D. Construct a scatterpiot for the folowing data and use it to comment on between the variables. the form, direction, and strength Age of a person, years 11 12 13 14 15 16 17 18 19 20 Weight, kg 40 42 38 35 45 51 48 48 50 47 Age of a car, 2. 0.5 1.5 4.5 5 years Mileage. kmt. 16 15 10 12 10 12 11 11 10 2.
Answer 21-24 thank you
1. Create a histogram for the data for time spent studying. 2. Create a scatter plot to show the relationship of time spent studying and exams score. 1. Looking at the scatter plot, describe the relationship between the two variables, (identify the direction and magnitude)
I keep getting these wrong on my homework please explain
Questions teenagers spend o0 O jWhat' percent of students playedn petween 6 and 8 hours per udeo gamesperoek? Belowis a box plot representating hours that teanadersspend games per week on uldeo

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

a) Draw a scatter-plot diagram. Remember to name the axes. Cars Salef 20 16 In 8 2 4 6 I ... 8 10 12 14 16 18 20 TV and b) Based on the scatter-plot diagram, would you estimate the correlation coefficient to be positive, close to zero, or negative?