dont need explanations just correct answer to each question, Thanks

The ANOVA table is not significant for a sample size of20, consisting of 4 different type of cars.

We arrive that this result by calculating F(3,19) and noticing that tat F(3,19)> calculated F(3.).
As the null hypothesis is preserved in this case, it means severity of head injury in car crash does
not depends on the type of car that was involved, as there is no statistically...