Answer:
Mean
Step-by-step explanation:
Mode:
Before adding 97 = 38
After adding 97 = 38
Mean:
Before adding 97 = 513/9 = 57
After adding 97 = 610/10 = 61
Median:
38, 38 , 38, 43, 54, 56, 70, 79, 97
Before adding 97 = 54
38, 38 , 38, 43, 54, 56, 70, 79, 97, 97
After adding 97 = 54 +56/2 = 110/2 = 55