Bob's Fly Catalog collected forcasts, sales, and demand data for 20 items in one category from its previous catalog. The data providrd below in the table

for example, their forcast for the first item in the table was 100 units, but it unfortunately only sold 26 units. however, with the last item listed, they sold 341 units but could have sold 569 unitd if they ordered enough inventory. For the next catalog, they hace an item which they forcast demand to be 430 units. Suppose they will use that forcast along with the data in the above table to choose a normal distribution to model demand for this product. what standard deviation should they choose? Keep answer as an integer

Bob's Fly catalog collected forecasts, sales, and demand data for 20 items in or Total Average Standard Deviatio For example, their forecast for the first item in the table was 100 units, but it unfortur For the next catalog, they have an item for which they forecast demand to be 430 ur