SOLUTION: Calculate arithmetic mean from the following data by shortcut method: Marks |No. of students Below 10 | 4 10-20 | 6 20-30 | 10 30-40 | 15 40-5

Algebra ->  Statistics  -> Central-limit-theorem -> SOLUTION: Calculate arithmetic mean from the following data by shortcut method: Marks |No. of students Below 10 | 4 10-20 | 6 20-30 | 10 30-40 | 15 40-5      Log On


   



Question 1039302: Calculate arithmetic mean from the following data by shortcut method:
Marks |No. of students
Below 10 | 4
10-20 | 6
20-30 | 10
30-40 | 15
40-50 | 8
Above 50 | 7

Answer by robertb(5830) About Me  (Show Source):