An article gave a scatter plot along with the least squares line of x = rainfall volume (m3) and y = runoff volume (m3) for a particular location. The accompanying values were read from the plot.x6121416233040475567728396112127y410131515252745384653678299104 (a) Does a scatter plot of the data support the use of the simple linear regression model?Yes, the scatterplot shows a reasonable linear relationship.Yes, the scatterplot shows a random scattering with no pattern. No, the scatterplot shows a reasonable linear relationship.No, the scatterplot shows a random scattering with no pattern.(b) Calculate point estimates of the slope and intercept of the population regression line. (Round your answers to four decimal places.)slope intercept (c) Calculate a point estimate of the true average runoff volume when rainfall volume is 52. (Round your answer to four decimal places.) m3(d) Calculate a point estimate of the standard deviation ?. (Round your answer to two decimal places.) m3(e) What proportion of the observed variation in runoff volume can be attributed to the simple linear regression relationship between runoff and rainfall? (Round your answer to four decimal places.) (I just need help with b-e, thanks) An article gave a scatter plot along with the least squares line of x = rainfall volume (m3) and y = runoff volume (m3) for a particular location. The accompanying values were read from the plot.x 6 12 14 16 23 30 40 47 55 67 72 83 96112 127y| 4 10 13 15 15 25 27 45 38 46 53 67 8299104In USE SALT(a) Does a scatter plot of the data support the use of the simple linear regression model?O Yes, the scatterplot shows a reasonable linear relationship.O Yes, the scatterplot shows a random scattering with no pattern.O No, the scatterplot shows a reasonable linear relationship.O No, the scatterplot shows a random scattering with no pattern.(b) Calculate point estimates of the slope and intercept of the population regression line. (Round your answers to four decimal places.)slopeintercept(c) Calculate a point estimate of the true average runoff volume when rainfall volume is 52. (Round your answer to four decimal places.)m3(d) Calculate a point estimate of the standard deviation o. (Round your answer to two decimal places.)m3(e) What proportion of the observed variation in runoff volume can be attributed to the simple linear regression relationship between runoff and rainfall? (Round your answer to four decimal places.)

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An article gave a scatter plot along with the least squares line of x = rainfall volume (m3) and y = runoff volume (m3) for a particular location. The accompanying values were read from the plot. 6 12 14 16 23 30 40 47 55 67 72 83 96 112 127 y 4 10 13 15 15 25 27 45 38 46 53 67 82 99 104 n USE SALT (a) Does a scatter plot of the data support the use of the simple linear regression model? O Yes, the scatterplot shows a reasonable linear relationship. O Yes, the scatterplot shows a random scattering with no pattern. O No, the scatterplot shows a reasonable linear relationship. O No, the scatterplot shows a random scattering with no pattern. (b) Calculate point estimates of the slope and intercept of the population regression line. (Round your answers to four decimal places.) slope intercept (c) Calculate a point estimate of the true average runoff volume when rainfall volume is 52. (Round your answer to four decimal places.) m3 (d) Calculate a point estimate of the standard deviation o. (Round your answer to two decimal places.) m3 (e) What proportion of the observed variation in runoff volume can be attributed to the simple linear regression relationship between runoff and rainfall? (Round your answer to four decimal places.)

Linear Algebra: A Modern Introduction

4th Edition

ISBN:9781285463247

Author:David Poole

Publisher:David Poole

Chapter7: Distance And Approximation

Section7.3: Least Squares Approximation

Problem 31EQ

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An article gave a scatter plot along with the least squares line of x = rainfall volume (m³) and y = runoff volume (m³) for a particular location. The accompanying values were read from the plot.

x	6	12	14	16	23	30	40	47	55	67	72	83	96	112	127
y	4	10	13	15	15	25	27	45	38	46	53	67	82	99	104

(a) Does a scatter plot of the data support the use of the simple linear regression model?

Yes, the scatterplot shows a reasonable linear relationship.Yes, the scatterplot shows a random scattering with no pattern. No, the scatterplot shows a reasonable linear relationship.No, the scatterplot shows a random scattering with no pattern.

(b) Calculate point estimates of the slope and intercept of the population regression line. (Round your answers to four decimal places.)

slope
intercept

(c) Calculate a point estimate of the true average runoff volume when rainfall volume is 52. (Round your answer to four decimal places.)
m³

(d) Calculate a point estimate of the standard deviation ?. (Round your answer to two decimal places.)
m³

(e) What proportion of the observed variation in runoff volume can be attributed to the simple linear regression relationship between runoff and rainfall? (Round your answer to four decimal places.)

(I just need help with b-e, thanks)