00:01
Hi, here for the given question we are given this table.
00:04
Now here we need to find what is the value of mean.
00:08
So here in order to find the mean let this be xi and this be our fi.
00:15
Now we need to find the mid value.
00:16
So mid value can be obtained as the middle value of the interval.
00:20
So here we will denote mid value as mi.
00:23
So here we have mi equals to for the first interval it will be 2 again 5 for this interval it will be 8.
00:31
Now here for this interval it will be 11 and here for this interval it will be 14.
00:38
So here in our case these are the mid values.
00:41
So now further we are given frequency.
00:43
We need to find the value of fi into mi.
00:48
So here in our case 5 multiplied with 2 here we have 10, 7 multiplied with 5 35, here we have 3 multiplied with 8 24, 110 when 11 multiplied with 10 and 5 multiplied with 14 we have 70.
01:03
Now we need to find the value of sum of fi into mi adding all these values...