Sales Forecast using Weighted Moving Average 1. Given the following, determine the expected sales on September 18th and September 19th, using a 3-day weighted moving ave 2. Is your weighted moving average result higher or lower than if you had simply done a 3-day moving average? What caused it to MONTH DATE ACTUAL SALES W1 = 10 W2 = 25 IN DOLLARS W3 = 30 SEPTEMBER 12 13 14 15 16 17 18 19 $1,500 $2,500 $2,500 $3.500 $3,000 $4,500