Practicing Success
Consider the following hypothesis test : $H_0: \mu ≤ 16 $ $H_a : \mu > 16 $ A sample of 49 provided a sample mean of 15.25. The population standard deviation is 2. The value of the test statistic is : |
-2.125 -2.625 -2.225 -2.005 |
-2.625 |