Question: Refer to Exercise 13.21. How accurately can sales be predicted for a particular week, with 95% confidence? In exercise Respcnse Sales armacy of Pit Requare

Refer to Exercise 13.21. How accurately can sales be predicted for a particular week, with 95% confidence?
In exercise

Respcnse Sales armacy of Pit Requare Square Rot Hean square E 17.9913 Mean ot BRaeponse Cbservatians for Sun e rice 0.434158 0.417182 Source Model le'sm of squares Mean square Ratio 25.5759 24835.761 2368.01 53204.462 a2.sa 100 323.6 Prob> F 356.7692 104 C Total 103 0.0000 40 30 20 10 Parameter Estisates Tezn Intercept Price Category sales 0.1214871 0.01824 .00 Frmoticn by other? -19.9594 3.7004.39 10 123.95375 0.66628 1.61 01106 44.849952 39.93534 11 0.261 -20 -30 -40 -30 Ettece Test 290 310 330 350 370 390 410

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