Question

The table below shows the scores of a group of students on a 10-point quiz.

Test Score Frequency
3 1
4 1
5 2
6 3
7 1
8 1
9 1
10 4


The mean score on this test is:

The median score on this test is:

Answer 1

Adding up the frequency gives you the total number of students

mean = (3*1 + 4*1 + 5*2 + ..... + 9*1 +10*4)/(total number of students)

The median is the score in the middle
since you have an even number with 14 students, add the 7th and the 8th scores and divide by 1

Answer 2

typo in last line, must have hit the wrong key, should say :

... add the 7th and the 8th scores and divide by 2