Question

the class marks of a distribution are 44,49,54,59,64,69 determine the class limites

Answer 1

Step-by-step explanation:

Class Interval 30-34 35-39 40-44 45-49 50-54 55-59

Frequency 7 10 12 13 8 4

a) class limit of fourth class is :- 45−49 are

45(lower limit) & 49 (upper limit)

b) class boundaries of sixth class is :- 55−54=1

=

2

1

=0.5

54+0.5=54.5

c) class mark of third class :- 40−44

=

2

40+44

=

2

84

=42