two different models of a car manufacturer are compared to see if model a has a higher average miles per gallon (mpg) than model b. a sample of size 14 model a cars found a sample average of 28.2 mpg and a standard deviation 3.0 mpg. a sample of size 10 model b cars found a sample average of 22.6 mpg and a standard deviation of 5.1 mpg. conduct the appropriate hypothesis test.
Test statistic
p-value =
