Question 662124
To solve this, just list out the numbers.
2 students scored 96 = 96 96
5 students scored 81 = 81 81 81 81 81
4 students scored 74 = 74 74 74 74
1 student scored 55 = 55

How many total students are there? 2+5+4+1=10 students. Now add all of the data points together and you get 948. Divide that by the total number of students, 10, and your class average is <b>94.8</b>. Hope this helps! :)