ACT Scores A survey of 1000 students nationwide showed a mean ACT score of 21.4. A survey of 500 New Mexico scores showed a mean of 21.1. If the population standard deviation in each case is 3, can we conclude the national average is greater than the New Mexico average? Use a = 0.01 and use l'l'l for the nationwide mean ACT score. (a) State the hypotheses and identify the claim. HOD H: D This hypothesis test is a test