Question

find the mean 50,60,70,80,90​

Answer 1

Answer:

$mean = \frac{50 + 60 + 70 + 80 + 90}{5} \\ \\ = \frac{350}{5} \\ \\ = 70$

Answer 2

Mean=sum of quantities/no.of quantities then mean of 50,60,70,80,90
=50+60+70+80+90/5
=350/5
=70
Got it!