AutoTradcr.com would like to test if a difference exists in the age of three dif

Question

AutoTradcr.com 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. The grand mean for these observations is 7.2 8.0 8.9 9.3 The total sum of squares for these observations is_. 42.6 48.4 51.5 62.0 The mean square total for these observations is_. 5.02 5.64 6.67 8.19 The sum of squares between for these observations is 28.7 32.0 39.8 44.2

Explanation / Answer

1)   The grand mean for these observations is   (B) 8.0 .

2)   The total sum of squares for these observations is   (D) 62.0 .

3)   The mean square total for these observations is   (B) 5.64 .

4)   The sum of squares between for these observations is   (B) 32.0 .

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