Calculate the mean for Data Set 1, assuming that it is a sample of the population.
Data Set 1 54 67 60 68 40 39 42 29 39 57 52 16 54 10 65 46 46 25 19 61 11 31 65 54 66
a) 44.64
b) 43.24
c) 46.46
d) 45.50