Question

work out the mean 7, 12 15, 13 17

Answer 1

Mean = (7+12+15+13+17)/5=74/5=14.8

Answer 2

Answer:

Step-by-step explanation:

mean = $\frac{sum of observation }{number of observation}$

= $\frac{7 + 12 + 15 + 13 + 17 }{5} = \frac{64}{5} = 12.8$