Engineers are testing company eet vehicle fuel economy (miles per gallon) performance by using different types of fuel. One vehicle of each size is tested. Does this sample provide sufcient evidence to conclude that there is a signicant difference in treatment means? 87 Octane 89 Octane 91 Octane Ethanol 5% Ethanol 18 Compact 27.2 30.0 30.3 26.8 25.8 Hid-Size 23.0 25.6 28.6 26.6 23.3 Full-Size 21.4 22.5 22.2 18.9 20.8 SUV 18.7 24.1 22.1 18.7 17.4 l3 Iikherefrh Ex ID File (a) Choose the correct statement. 0 Fuel type is the blocking factor and vehicle size is the treatment. 0 Fuel type is the treatment and vehicle size is the blocking factor. (b) Fill in the boxes. (Round your 55 values to 3 decimal places. F values to 2 decimal places. and other answers to 4 decimal places.) Tho-FactorANOVA m-- e we we __ B.....(V.......eze, __ 87 Octane 89 Octane 91 Octane Ethanol 5% Ethanol 10% Compact