Answer to Question #211512 in Economics for Ashmi

Question

Calculate arithmetic mean with the help of following data. Use step deviation method.

Wages (in Rs.)

20

25

30

40

42

50

No. of students

4

6

10

5

5

10

Answer 1

$$20\times4=80$$

$$25\times6=150$$

$$30\times10=300$$

$$40\times5=200$$

$$42\times5=210$$

$$50\times10=500$$

$$80+150+300+200+210+500=1440$$

$$4+6+10+5+5+10=40$$

$$\frac{1440}{40}=36$$