Question

what is the formula of mean mode median class 9 maths please answer

Answer 1

Mean= sum of observation/no. of observation
Median= First arrange them in ascending order. If they are -
Odd- n/2+1 th
Even-n/2th and n+1/2th
Mod= The no. which comes mostly.

Answer 2

# Mean= sum of observation/no. of observation

# Median= First arrange them in ascending/descending order. If they are -

-->Odd- n/2+1 th

-->Even-n/2th and n+1/2th

# Mode= observation which has occurred the most no. of times in the arrangement