Question

The marks of 20 students are represented as continuous frequency distribution with class intervals 0- 10, 10 -20, 20 - 30 , 30 - 40 and 40 - 50. If a student scored 30 marks , in which class interval his marks will be recorded​

Answer 1

Answer:

20-30

Step-by-step explanation:

0-10=0,1,2......10

10-20=11,12,13...20

20-30=21,22,23.....30

30-40=31,31,33.....40

40-50=41,42,43......50

So it lies in 20-30 frequency table