Here are the salaries for a sample of professors in a mathematics department at a large...

 

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Here are the salaries for a sample of professors in a mathematics department at a large midwestern university for the academic years 2019-2020 and 2020-2021: Salary data for professors at a large midwestern university 2019-2020 salary ($) I 2020-2021 salary ($) 160,600 127,700 124,120 113,800 127,000 126,790 118,520 160,050 151,650 147,160 90,290 90,500 100,000 156,850 137,500 130,100 163,700 130,660 126,400 116,900 130,000 143,800 121,700 162,900 124,250 150,140 93,590 93,000 102,900 159,830 140,510 133,100 What proportion of the variation in 2020-2021 salaries is explained by 2019-2020 salaries? Give you answer to four decimal places. proportion: Here are the salaries for a sample of professors in a mathematics department at a large midwestern university for the academic years 2019-2020 and 2020-2021: Salary data for professors at a large midwestern university 2019-2020 salary ($) I 2020-2021 salary ($) 160,600 127,700 124,120 113,800 127,000 126,790 118,520 160,050 151,650 147,160 90,290 90,500 100,000 156,850 137,500 130,100 163,700 130,660 126,400 116,900 130,000 143,800 121,700 162,900 124,250 150,140 93,590 93,000 102,900 159,830 140,510 133,100 What proportion of the variation in 2020-2021 salaries is explained by 2019-2020 salaries? Give you answer to four decimal places. proportion:

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R2 Explained VarianceTotal Variance Calculate the means of both sets of salaries 20192020 and 20202021 Mean of 20192020 salaries X1 20192020 salariesN... View the full answer