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** Find the MODE of the following:
1) 3,4,7,11,4,3,4,5,6,4,1,4,2,4,4. 4
2) Marks No.of students
10 4
12 6
15 10
22 14
25 20
35 19
45 10
50 6
60 3 25
3) Size Frequency
8 3
10 5
12 1
14 7
16 8
18 8
20 4
22 2
24 3 16
4) Class-interval Frequency
00-10 10
10-20 45
20-30 12
30-40 3 15.15
5) Marks Frequency
01-05 7
06-10 10
11-15 16
16-20 32
21-25 24
26-30 18
31-35 10
36-40 5
41-45 1 18.66
6) Mid-value Frequency
60 25
64 8
68 10
72 6
76 4. 60.38
7) If mode is 48.6 find a.
Class Frequency
20-25 6
25-40 20
40-55 44
55-70 a
70-85 3. 26.14 or 26
8) If the mode is 240. Find b.
Size frequency
000-100 140
100-200 230
200-300 270
300-400 b
400-500 150
500-600 140 210
9) If the median and the mode of 230 are 33.50 and 34. Find the missing frequencies:
Wages Frequency
00-10 4
10-20 16
20-30 ?
30-40 ?
40-50 40
50-60 ?
60-70 4. 60, 100, 6
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