1. Jill had the following scores on quizzes. 0: 0 quizzes 1: 1 quiz 2: 3 quizzes 3: 4 quizzes 4: 4 quizzes 5: 1 quiz What is the mean score for Jill’s quizzes? Show your work.
To answer this item, we add up all the scores and divide the sum by the total number of quizzes. 0: 0 quizzes 1 : 1 quiz total : 1 2: 3 quizzes total : 6 3: 4 quizzes total : 12 4: 4 quizzes total : 16 5: 1 quiz total : 1
There are 13 quizzes and the total score is 36. Dividing the total score by the total number of quizzes will give us a final answer of 2.77.