Question

if the average of 8observation is 5,if an observation 12 is removed, then the average of new set of observation is​

Answer 1

Step-by-step explanation:

$\frac{8 \times 5 - 12}{7} \\ = \frac{28}{7} \\ = 4$

Answer = $<MARQUEE > 4 </marquee >$

Answer 2

Average=x8/8=5

x8=40

x7=40-12

x7=28

7x=28

x=4

So new set of Average is 4

I hope it will help you