SOLUTION: Test scores for a class of 20 students are as follows: 93, 84, 97, 98, 100, 78, 86, 100, 85, 92, 72, 55, 91, 90, 75, 94, 83, 60, 81, 95 Find the mean, mode, median and range for y

Algebra ->  Average -> SOLUTION: Test scores for a class of 20 students are as follows: 93, 84, 97, 98, 100, 78, 86, 100, 85, 92, 72, 55, 91, 90, 75, 94, 83, 60, 81, 95 Find the mean, mode, median and range for y      Log On


   

Question 1020614: Test scores for a class of 20 students are as follows:
93, 84, 97, 98, 100, 78, 86, 100, 85, 92, 72, 55, 91, 90, 75, 94, 83, 60, 81, 95 Find the mean, mode, median and range for your data.
Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
Hi there,
Arrange numbers in order:
55 60 72 75 78 81 83 84 85 86 90 91 92 93 94 95 97 98 100 100
Median = 88 (between 86 and 90)
Mode = 100 (appears more than once)
Range = 100 - 55 = 45
Mean = total/ number of scores
Mean = 1709/20
Mean = 85.45 (2 decimal places)
Hope this helps :-)