Question

find the mean of the following data ​

Answer 1

Step-by-step explanation:

mean=12+16+24+16+8/5

76/5

Answer 2

First we need to find the mid-point (x) which is (upper class boundary+lower class boundary )/2. Then on multiplying f with x, we will get the values of fx in all class intervals. Mean is (Sum of fx/ Sum of f)
Detailed solution is attached for reference.