Question

the mean of 1²,2²,3²,4²,5²,6²,7² is ????​

Answer 1

Step-by-step explanation:

1^2= 1×1=1

2^2=2×2=4

3^2=3×3=9

4^2=4×4=16

5^2=5×5=25

6^2=6×6=36

7^2=7×7=49