Question

A class of 25 students took a spelling test. Two students scored 100 on each test, nine students scored 95 on each test, ten students scored 90 on each test, three students scored 80 on each test and one student scored 70. 
What is the average score of the spelling test rounded to one decimal place

Answer 1

The average score is 90.6
2x100=200
9x95= 855
10x90=900
80x3=240
1x70=70
Total. 2265
2265/25=90.6

Answer 2

The average score of the spelling test rounded to one decimal place is 90.60.

What is the average score?

The average score is the sum of a set of numbers divided by the total number in the dataset.

Average score = sum of scores / number of students that took the test

(100+ 100 + 95 + 95 + 95 + 95 + 95 + 95 + 95 + 95 + 95 + 90 + 90 + 90 + 90 + 90 + 90 + 90 + 90 + 90 + 90 + 80 + 80 + 80 + 70) / 25 = 90.60

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