a milk company has four machines that fill gallon jugs of milk. The quality control manager is interested in determining whether the average fill for these machines is the same. The following data represent random samples of fill measures (in quarts) for 19 jugs of milk filled by the different machines. Using a significance level of 1%, develop an ANOVA to determine if the average fill for these machines is the same.

Machine 1	Machine 2	Machine 3	Machine 4
7	9	9	10
8	10	9	10
9	11	10	11
10	12	11	12

The observed value of the F statistic is ____ (use two decimals)