Question

how many people scored more than 6?

Explanation:

Step1: Count the number of X's for each score greater than 6

For score 7: 5 X's.
For score 8: 7 X's.
For score 9: 6 X's.
For score 10: 6 X's.

Step2: Sum up the counts

$5 + 7+6 + 6=24$

Answer:

24