Let n be the mean of the data
12, 18, 15, 12, 16, 8, 10, 12, 13, 6, 8, 14, 16, 11, 9.
If 6 is replaced by 21, then the mean of the data is p. What is the sum of the values of n and p?
1
26
2
12
3
13
4
25
Let n be the mean of the data
12, 18, 15, 12, 16, 8, 10, 12, 13, 6, 8, 14, 16, 11, 9.
If 6 is replaced by 21, then the mean of the data is p. What is the sum of the values of n and p?