Question

How to find mean is there are unequal class intervals

Answer 1

Answer:

sum. of observation/no. of observation

Step-by-step explanation:

sum of all Numbers divided by no.of number. hope its helps u.mark me as brainliest

Answer 2

Answer:

if there are unequal class intervals, we should consider only the first class column of class intervals.

Class marks=(lower limits + upper limits)/2