Full answer:
Mean = 78
Median = 80.5
Mode = 58
The mean is the average of the number set. (Add all values together, then divide by the number of values in the list).
The median is the "middle" number. In a list with an odd number of values, arrange the numbers in numerical order (least to greatest), then find the number that lies in the middle of the list. In a list with even numbers, do the same as you would with an odd set, but take the two middle values and average them (add together then divide by two).
The mode is the number in the list that repeats the most. In this case, 58 is the only number that is listed more than once, so it is the mode.
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