Which expression shows a way to find 2813×7
2 answers:
You might be interested in
Answer:
~15.55 is the mean.
Step-by-step explanation:
The class of frequency is given as 0-9, 10-19 and 20-29.
First of all, let us taken middle value of class:
Formula for mean:
where f is the frequency
and m is the mean value calculated in above step (4.5, 14.5 and 24.5)
The frequencies are given as:
4.5 - 24
14.5 - 20
24.5 - 32
Putting the values in above formula:
Please refer to the attached image that contains the table for calculation of mean.
So, mean = ~15.55
Here is the work with the answer. Hope this helps. God bless
