Question

find the mean of the following set 71, 61, 63, 60, 69, 68, 55, 72, 40​

Answer 1

Answer:

Mean= sum of all observations/number of observation

71 +61 +63 +60+69 +68+55+72 +40

_______

9

= 559

_____

9

I hope this is the ans☺✨✨