|Mean =||X / N =||820 / 10 =||82.0|
The median is 87. Half of the scores fall above this number and half fall below.
Mode is equal to 87. It occurs 3 times; all other scores occur only 2 times or less
The mean grade on the midterm was an 82 (a low B). Half of the students had a test score above 87 (a high B or an A). Half the students' scores were lower than an 87. The most common test score was an 87 (a high B).
Yes, this data is skewed (a negative skew). The score of 35 is an extreme score (outlier), has caused the skew, and distorts the mean.