if you wanted to run an ANOVA to test whether the gas mileage was better in a Honda Accord, Toyota Corolla, or a Hyundai Sonora the null hypothesis would be:

that the gas mileage is not the same for all 3 cars

that the gas mileage is different for all three cars

that the gas mileage is better for at least one of the cars

that the gas mileage is the same for all three cars.

whixh of the following is false regarding alpha?

if you decrease alpha you decrease your chance of type two error

if you increase alpha you decrease your chance of type 2 error

if you increase alpha you increase your chance of type 1 erorr

if you decrease alpha you increase your chance of type 2 erorr

which of the following is true regarding inferential statistics?

it invokes making inferences about a population using sample information/data

it involves making inferences about how confident we can be that the distribution reflects our sample

it involves making inferences about how confident we can be that our sample represents the distribution

it involves making inferences about a sample using population information/ data