Answer :
Answer:
9
Step-by-step explanation:
7+21+2+17+3+13+7+4+9+7+9=99
there are 11 numbers so you should 99 divided by 11
so answer is 9
Answer:
Mean = 9
Step-by-step explanation:
Mean = Sum of given values/ No. of given values
Sum = 2+3+4+7+7+7+9+9+13+17+21
= 99
n = 11
Mean = 99/ 11
= 9