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19. a. Legacy is a poem from Bennett's chapbook that is only 2 lines long. Use the least-squares regression line to approximate the number of words in the poem. Round your answer to the nearest whole amount. Work Answer

19. a. Legacy is a poem from Bennett's chapbook that is only 2 lines long. Use the least-squares regression line to approximate the number of words in the poem. Round your answer to the nearest whole amount. Work Answer

College Algebra
College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter1: Equations And Graphs
Section: Chapter Questions
Problem 10T: Olympic Pole Vault The graph in Figure 7 indicates that in recent years the winning Olympic men’s...
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QUESTION 14 Daphne wonders if poems with more lines tend to have more words or fewer words than poems with fewer lines. She analyzes the poems from Bruce Bennett's chapbook Missing and finds the least-squares regression line and correlation coefficient to be = 5.49x + 2 r = 0.8942 where x = number of lines and y = number of words. Use this information to complete the following problems. 19. a. Legacy is a poem from Bennett's chapbook that is only 2 lines long. Use the least-squares regression line to approximate the number of words in the poem. Round your answer to the nearest whole amount. Work Answer b. Legacy actually has 18 words in it. Determine the residual for this data. Work Answer
Transcribed Image Text:QUESTION 14 Daphne wonders if poems with more lines tend to have more words or fewer words than poems with fewer lines. She analyzes the poems from Bruce Bennett's chapbook Missing and finds the least-squares regression line and correlation coefficient to be = 5.49x + 2 r = 0.8942 where x = number of lines and y = number of words. Use this information to complete the following problems. 19. a. Legacy is a poem from Bennett's chapbook that is only 2 lines long. Use the least-squares regression line to approximate the number of words in the poem. Round your answer to the nearest whole amount. Work Answer b. Legacy actually has 18 words in it. Determine the residual for this data. Work Answer
20. a. What percent of the variation is explained by the lest-squares regression line? Round your answer to the nearest tenth of a percent if necessary. Work Answer b. Identify the direction of the data (positive, negative, or none) and enter your answer below. Answer
Transcribed Image Text:20. a. What percent of the variation is explained by the lest-squares regression line? Round your answer to the nearest tenth of a percent if necessary. Work Answer b. Identify the direction of the data (positive, negative, or none) and enter your answer below. Answer
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