Answer:
C The mean of the 10th and 11th values
Step-by-step explanation:
Strike the lowest and largest number until you get 1 or 2:
1, 2, 3,4 5,6 ,7 8, 9, 10, 11, 12, 13 ,14, 15, 16, 17, 18, 19, 20
2, 3,4 5,6 ,7 8, 9, 10, 11, 12, 13 ,14, 15, 16, 17, 18, 19
3,4 5,6 ,7 8, 9, 10, 11, 12, 13 ,14, 15, 16, 17, 18
4 5,6 ,7 8, 9, 10, 11, 12, 13 ,14, 15, 16, 17
5,6 ,7 8, 9, 10, 11, 12, 13 ,14, 15, 16,
,6 ,7 8, 9, 10, 11, 12, 13 ,14, 15
,7 8, 9, 10, 11, 12, 13 ,14,
8, 9, 10, 11, 12, 13
9, 10, 11, 12
10, 11,
Finding the Mean:
10+11
21
21/2
Mean:
10.5
