Question

femis last 5 bowling scores were 68, 75, 72, 90, and 80. what was femis mean score?

Answer 1

$\operatorname{mean}\text{ =}\frac{\text{ sum of all data points}}{\text{ number of data points}}$$\operatorname{mean}=\frac{68+75+72+90+80}{5}=\frac{385}{5}=77$