Over the past 5 weeks at Winstons Winery has been 1,050, 2,400, 3,300, 1,800, and 1,150, bottles. Winston has placed weekly orders for glass bottles of 1,050, 2,400, 4,100, 950, and 900 units. ( Recall that the sample variance of a data set can be found by using the VAR.S function in excel or by plugging each value x of the data set into formula:
Variance--
Where x is the mean of the data set and n is the number of values in the set
The variance of demand for Winstons Winery is