Question

7. Calculate mode from the following data( Use Graphic technique and Formula)
Marks: 0-10 10-20 20-30 30-40 40-50 50-60 60-70
No of Students :2 5 8 10 8 5 2

Answer 1

Answer:

Mode=30.5

Explanation:

Use mode formula for grouping series.

30+(10-8)/20-8-8

30+ 2/4

30+ .5

30.5