A student takes a 10-point quiz each week in statistics class.If the student's quiz scores for the first three weeks are 2,6,and 10,then the mean score is M = 9.

Question

A student takes a 10-point quiz each week in statistics class.If the student's quiz scores for the first three weeks are 2,6,and 10,then the mean score is M = 9.​

Quizplus · Accepted Answer

To find the mean score for the first three weeks, we need to add up the scores and divide by the total number of quizzes:

(2 + 6 + 10) / 3 = 6.

Therefore, the mean score is actually 6, not 9. So the correct answer is B.

A Student Takes a 10-Point Quiz Each Week in Statistics