A study of Consideration of Future Consequences (CFC) found a mean score of 3.51, with a standard deviation of 0.61, for the 664 students in the sample (Petrocelli, 2003). For the sake of this exercise, let's answer that this particular sample comprises the entire population of interest.
a. If your CFC score is 4.2, what is your z score? Use symbolic notation and the formula. Explain why this answer makes sense.