Calculate arithmetic mean of the following series.
Take 15 as assumed average and use Short-cut Method.
Size
20 19 18 17 16 15 14 13 12 11
Frequency 1 2 4 811 10 7 4 2 1

Question

Calculate arithmetic mean of the following series
Take 15 as assumed average and use Short-cut Method
Size
20 19 18 17 16 15 14 13 12 11
Frequency 1 2 4 811 10 7 4 2 1

MD Kabeer · Accepted Answer

Dear student
<img alt="" src=
"https://s3mn%20mnimgs%20com/img/shared/content_ck_images/ck_5c6d883568186%20jpg">
The average size is 15 54
Regards

Calculate arithmetic mean of the following series. Take 15 as assumed average and use Short-cut Method. Size 20 19 18 17 16 15 14 13 12 11 Frequency 1 2 4 811 10 7 4 2 1

Calculate arithmetic mean of the following series.
Take 15 as assumed average and use Short-cut Method.
Size
20 19 18 17 16 15 14 13 12 11
Frequency 1 2 4 811 10 7 4 2 1