Please compute for the single t using the sets: X1 = 1,2,3,4,5, from a population with a mean of 5 and a standard of deviation of 12, setting alpha at .01, tails - 2. The effect -2 The error term | Choose 20-5 - 15 Reject the null 4 4.604 Sample means ,707 -2 Fail to reject the null. 2.828 Sample mean does not equal 5. the singlet - the degrees of freedom The critical value Choose The statistical decision is [Choose The null hypothesis - [Choose