. Following is the distribution of IQ of 100 students. Find the median I.Q
65-
75-
85-
95-
105-
115-
125-
135-
IQ
?
74
84
94
104
114
124
134
144
No of
1
2
9
22
33
22
8
2
Students
2. The median of the following data is 525. Find the values of x and y, if the total frequency is
100.
0-
100-
200-
300-
400-
500-
600-
700-
800-
900-
CI
100
200
300
400
500
600
700
800
900
1000
f
2
5
X
12
17
20
у
9
7
4
