QUESTION 6 The exam scores of a sample of 20 students from a local school are as follows: Scores [0, 20) Frequency 2 [20, 40) [40, 60) 6 [60, 80) 6 [80, 100) 2 What is the approximate average exam score? O 250 O 0.1040 o C.gz O d.20 1 points Save Answer