Question: In a physical geography course, the average score on the first exam was 79 percent, based on a sample of 48 students in the class.

In a physical geography course, the average score on the first exam was 79 percent, based on a sample of 48 students in the class. This mean was calculated on the class grades to summarize overall performance. Two other sections of the same class took the same exam, but those students were not included in the calculation. The test average is a:

mode

statistic

parameter

variability measure

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