(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 49. (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.)
(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 49. (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.)
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.1: Measures Of Center
Problem 3BGP
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(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 49. (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.)
___________
Transcribed Image Text: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.
5 12 14 17 23 30 40 50 55
67 72 84 96 112 127
4 10 13 14 15 25 27 45 38 46 53 70 82 99 100
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