The US vehicle sticker information states that you can expect 19 miles per gallon. It is desired to check the consistency of this information. Sixteen vehicles of the same model were tested. Assuming the miles per gallon X~N(, 0'2) and we take a random sample of n=16 , we wish to test Hoi219 H1.]J,719 at the 5% significance level. We observe If : 18. land s=1.48 where s is the sample standard deviation. The absolute value of the test statistic and the decision are