Question

Calculate the arithmetic mean from the following data
Marks. No. of students
Less than 10. 5
Less than 20. 15
Less than 30. 55
Less than 40. 75
Less than 50. 100
Also get sigma f(X-mean) =0

Answer 1

♥-Find the mean form the following data, No. of Students. Less than 10, 5. Less than 20, 20. Less than 30, 45. Less than 40, 70. Less than ...