Question

3. The table shows the scores obtained by 20 students in a test Score 4 5 6 7 8

Frequency 3 5 2 6 5 7 4 8 6 a) Calculate the mean score for the test b) Draw a bar chart for the distribution​

Answer 1

a.) 3+5+2+6+5+7+4+8+6=46

46/9=5.1

Explanation:

To solve for mean you must add all the numbers and divide by the amount of numbers that are given.