Question

ata of marks of 60 students, in the form of a frequenc
Present the data of
so on :
of a frequency table with class intervals 0-20, 20-40 a
58
83
49
28
70
52
02
29
00
60
az 42 22 62
o 67 44
64
67
72
33
34
44
36
09 06
29 09
63 83
20
54 32 38
80
42 90
43
32 24
GA
87
63 14 35 82
40
88
33 00 41 60 22
62
92
55 70 83 40 67,
What is the class mark of the class 80 - 1002
h) What is the class size of the class 60 - 80? 20
(c) Write the upper limit of the class 20 - 40? 40
(d) Write the frequency corresponding to the class 40 - 60.)
our Prenare a frequency distribution a
atients who visited a dentist​

Answer 1

Step-by-step explanation:

a ) 111

b ) 178

c ) 266

d ) 142