Question

2. The mean of 18 members is 5. If 2 is added to every number, Find the new mean?​

Answer 1

Answer:

mean =10

Step-by-step explanation:

By using mean formula

Mean=sigmafx/sigmaf

putting value

5=18x/18

x=5

18×2=36x5=180

m=180/18

m=10

Answer 2

https://z.snapsolve.com/bc7sUrftSV

solution:

Mean=Sum of observation

upon

Number of observatio

sum=18×5=90

New sum =90×2=180

therefore new mean=180 upon 18 =10