Question

1. Find the mode of following data:
50-60
60-70
70-80
80-90
90-100
Class
Frequency
9
12
20
11
10​

Answer 1

Answer:

74.70

Step-by-step explanation:

L+(f1-fo/2f1-fo-f2)×h

70+(20-12/2 (20)-12-11)×10

70+(8/40-23)×10

70+(8/17)×10

70+80/17

1190+80/17

1270/17

74.70

Mode=74.70