Question

anthony's math scores for the quarter are 90,91,72,91,92,92,92,91,90,90,91 which measurements of central tendency best represents a grade

Answer 1

measurements of central tendency: mean, median, mode.
mean = average = add all units and divide by number of units
median = put numbers in order from lowest to highest, then find the middle (if there are two, find the mean of those two).
mode= the unit most repeated.