Question

Given below are the marks obtained (out of 20) by Grade 6 students in a Math test.

15, 17, 15, 17, 19, 15, 14, 15, 15, 18
Find the average marks scored by these students.

Answer 1

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Average= Sum of all terms/Total number of terms

15+17+15+17+19+15+14+15+15+18

÷

10(total number of terms)

160÷10=16

Answer 2

Answer:

Arrange the given data in ascending order

12,15,15,17,17,17,19,19,19,19,19,21,21,21,23,23,23,23,25,25

Frequency Distribution Table

Marks

12

15

17

19

21

23

25

No. of students

1

2

3

5

3

4

2