This is the question that I am having trouble with and the chart in red is the correct answers. I am not sure how to calculate the SS and MS for between the samples and within the samples.

\f8 points IIIIUUIE WUIK. Keep your final answer to four (4) decimal places, where relevant. 1. To compare whether the mean level of saturated fat is different in three different brands of margarine (A, B and C), a researcher took five (5) samples each of the three different brands and analysed the level of fat. The result given below is the fat content (in grams) in a 20-gram serving: Brand A 12.5 13.2 12.8 13.0 12.9 a. Use Hartley's Ftest and verify whether the condition about Brand B 15.3 15.4 14.6 15.0 14.5 variance is satised. Brand C 14.2 13.9 14.3 14.5 13.8