The following stem-and-leaf plot shows scores on a recent literature exam for both class a and b. find the mean score for both classes. which class has the higher mean score?me

The mean score is obtain by (sum of scores) ÷ (how many scores there are)

Class A:

Sum of scores = 60 + 68 + 70 + 75 + 84 + 86 + 90 + 91 + 92 + 94 + 94 + 96 + 100 + 100 = 1200

There are 14 scores in total

Mean scores of class A = 1200÷14 = 85.7


Sum of scores of class B = 60 + 60 + 70 + 71 + 73 + 73 + 75 + 76 + 77 + 84 + 85 + 86 + 91 + 92 = 1073

Number of scores of class B = 14
Mean scores of class B = 1073÷14 = 76.6

Class A has the highest mean score

4.90

Step-by-step explanation: