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Faculty salaries. Here are the salaries for a sample of
Chapter , Problem 2.166(choose chapter or problem)
Faculty salaries. Here are the salaries for a sample of professors in a mathematics department at a large midwestern university for the academic years 20122013 and 20132014. 20122013 salary ($) 20132014 salary ($) 20122013 salary ($) 20132014 salary ($) 146,600 147,700 139,650 142,350 115,800 118,600 135,160 138,485 112,000 115,500 77,792 82,072 101,700 105,800 76,000 82,000 115,000 117,180 85,500 88,700 114,790 117,240 144,850 147,830 106,500 111,100 125,506 128,906 152,000 156,080 118,100 121,200 (a) Construct a scatterplot with the 20132014 salarieson the vertical axis and the 20122013 salaries on thehorizontal axis.(b) Comment on the form, direction, and strength ofthe relationship in your scatterplot.(c) What proportion of the variation in 20132014salaries is explained by 20122013 salaries?
Questions & Answers
QUESTION:
Faculty salaries. Here are the salaries for a sample of professors in a mathematics department at a large midwestern university for the academic years 20122013 and 20132014. 20122013 salary ($) 20132014 salary ($) 20122013 salary ($) 20132014 salary ($) 146,600 147,700 139,650 142,350 115,800 118,600 135,160 138,485 112,000 115,500 77,792 82,072 101,700 105,800 76,000 82,000 115,000 117,180 85,500 88,700 114,790 117,240 144,850 147,830 106,500 111,100 125,506 128,906 152,000 156,080 118,100 121,200 (a) Construct a scatterplot with the 20132014 salarieson the vertical axis and the 20122013 salaries on thehorizontal axis.(b) Comment on the form, direction, and strength ofthe relationship in your scatterplot.(c) What proportion of the variation in 20132014salaries is explained by 20122013 salaries?
ANSWER:Step 1 of 4
Given:
The dataon the salaries for a sample of professors in a mathematics department at a large midwestern university for the academic years 2012-2013 and 2013-2014 is provided.