A commercial bakery has recorded sales (in dozens) for three products, shown as follows:

Day Blueberry Muffins Cinnamon Buns Cupcakes 1 30 18 45 2 34 17 26 3 32 19 27 4 34 19 23 5 35 22 22 Day Blueberry Muffins Cinnamon Buns Cupcakes 6 30 23 48 7 34 23 29 8 36 25 20 9 29 24 14 10 31 26 18 11 35 27 47 12 31 28 26 13 37 29 27 14 34 31 24 15 33 33 22

a. Predict orders for the following day for each of the products using an appropriate naive method.
Hint: Plot each data set.

b. What should the use of sales data instead of demand imply? LO.1