Question

If the class mark of continuous frequency distribution are 22,30,38 ,46,54 then find the class corresponding to the class mark 46​

Answer 1

Answer:

ANSWER

Class marks are: 15,20,25,...

Lower limit of class 20 is mean of 15 and 20=

2

15+20

=17.5

Upper limit of class 20 is the mean of 20 and 25=

2

20+25

=22.5

20 is the class mark for the class interval 17.5−22.5