The table shows the number of hours spent practicing
singing each week in three samples of 10 randomly
selected chorus members.
Time spent practicing singing each week (hours)
Sample 1 8 5 78
976 6 8 9
Sample 2 11 10 8 10 9 9 10 11
10
Sample 3 7 6 89 8 6 6 7
11
9 9
Which statement is most accurate based on the data?
Mean = 7.3
Mean = 9.9
Mean = 7.5
