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

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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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