Dr. Howard surprised her introductory psychology class with a 10-question pop quiz based on the statistics chapter. Here are the 10 student scores on the pop quiz: 2, 4, 3, 4, 6, 8, 7, 2, 2,2. Given this group of scores, the mode is ____, the mean is____, and the median is ____ .

Question

Quizplus · Accepted Answer

Mode: The most frequently occurring score is 2.
Mean: Add up all the scores and divide by the number of scores (10). (2+4+3+4+6+8+7+2+2+2)/10 = 4
Median: Arrange the scores in numerical order: 2, 2, 2, 2, 3, 4, 4, 6, 7, 8. The median score is the middle score, which is 3.5 (average of the two middle scores 3 and 4).

Dr Howard Surprised Her Introductory Psychology Class with a 10-Question