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10 Nov 2019
1. A store manager wants to know the demand of widgets as a function of price. The monthly sales for five different prices of the widgets are listed as follows: Price (x) $26 $28 $32 $34 $40 Demand (y) 84 75 67 58 48 Use matrices to find the least squares regression line for these data and use it to estimate the demand when the price is $29. (12 pts)
1. A store manager wants to know the demand of widgets as a function of price. The monthly sales for five different prices of the widgets are listed as follows: Price (x) $26 $28 $32 $34 $40 Demand (y) 84 75 67 58 48 Use matrices to find the least squares regression line for these data and use it to estimate the demand when the price is $29. (12 pts)
Reid WolffLv2
18 Sep 2019