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The sales by Walker's Milk and Dairy products, in millions of dollars, for the seven-year period from 2014 to 2020 are reported in the following table. Year 2014 2015 2016 2017 2018 2019 2020 Y'= Sales ($ millions) $ 17.8 19.7 22.4 24.0 24.7 27.5 29.2 a. Determine the least squares trend equation. (Round the final answers in millions of dollars to 2 decimal places.) t b. Estimate sales for 2021. (Round the intermediate calculations and the final answer in millions of dollars to 2 decimal places.) ($ million). Estimate sales for 2021

The sales by Walker's Milk and Dairy products, in millions of dollars, for the seven-year period from 2014 to 2020 are reported in the following table. Year 2014 2015 2016 2017 2018 2019 2020 Y'= Sales ($ millions) $ 17.8 19.7 22.4 24.0 24.7 27.5 29.2 a. Determine the least squares trend equation. (Round the final answers in millions of dollars to 2 decimal places.) t b. Estimate sales for 2021. (Round the intermediate calculations and the final answer in millions of dollars to 2 decimal places.) ($ million). Estimate sales for 2021

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 2CYU
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The sales by Walker's Milk and Dairy products, in millions of dollars, for the seven-year period from 2014 to 2020 are reported in the following table. Year 2014 2015 2016 2017 2018 2019 2020 Y' = Sales ($ millions) $17.8 a. Determine the least squares trend equation. (Round the final answers in millions of dollars to 2 decimal places.) 19.7 22.4 t Estimate sales for 2021 24.0 24.7 27.5 29.2 b. Estimate sales for 2021. (Round the intermediate calculations and the final answer in millions of dollars to 2 decimal places.) ($ million).
Transcribed Image Text:The sales by Walker's Milk and Dairy products, in millions of dollars, for the seven-year period from 2014 to 2020 are reported in the following table. Year 2014 2015 2016 2017 2018 2019 2020 Y' = Sales ($ millions) $17.8 a. Determine the least squares trend equation. (Round the final answers in millions of dollars to 2 decimal places.) 19.7 22.4 t Estimate sales for 2021 24.0 24.7 27.5 29.2 b. Estimate sales for 2021. (Round the intermediate calculations and the final answer in millions of dollars to 2 decimal places.) ($ million).
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