The following are assignment scores from a population of students
24 28 31 31 32 35 37 38 39 43 45 46 46 47 50 50 50
a) Calculate the mean, variance, and standard deviation
b) What proportion of the scores fall between the median and the mode?
c) If a student had a z-score of -.61, what was his assignment score?
d) If a student had a z-score of .39, what was her assignment score?