Answer:
Median is the best measure of central tendency here because the outlier (the score of 5) would skew the results if mean (or average) was used.
Step-by-step explanation:
Mean (or average) is usually the best measure of central tendency. However, because the quiz scores contain an outlier (the score of 5), using mean would skew the results. It is better to use median here. For example:
Mean (average) = (5 + 79 + 81 + 84 + 87 + 90 + 94 + 95) / 8 = 76.875
Median = (84 + 87) / 2 = 85.5
Since the majority of scores range from 79 to 95, using the mean of 76.9 for central tendency makes no sense. However, using the median of 85.5 for central tendency is a much better choice.
