Answer:
1.) C - 2237
2.) C - 74.57
3.) B - 66.5
4.) C - 9
Step-by-step explanation:
Given: Table
To find : Question's answer
Solution : According to the question
what is Efxm = the value of 549+720+498+470 =2237
Mean =2237/30 =74.57
(3) If the median class has a cumulative frequency of 19 What to the lower boundary of the median class? Option 66.5
