Answer:
Median
Step-by-step explanation:
Mean:
Mean of 9 numbers = 477/9 = 53
Mean of 10 numbers = 550/10 = 55
Mode:
Mode for the set of 9 numbers: 20
Mode for the setof 10 numbers when 73 is included = 20
Median:
Set of 9 numbers:
10, 20, 20 , 32, 67, 74, 76, 84, 94
Median = 67
Set of 10 numbers:
10, 20, 20 , 32, 67, 73, 74, 76, 84, 94
Median = 67+73/2 = 140/2 = 70