Mathematics, 05.05.2020 04:23 angel213326
AutoTrader would like to test if a difference exists in the age of three different types of vehicles currently on the road: trucks, cars, and vans. The following data represent the age of a random sample of trucks, cars, and vans. Trucks Cars Vans 12 8 3 8 7 7 9 10 6 11 7 8 The mean square for treatments MSTR for these observations is . Multiple Choice 2.0 4.7 16.0 12.5
Answers: 3
is the number of treatments, for this case the number of treatments is 3 so 
and 
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