2. Draw a histogram and a frequency polygon on the basis of
the data given below:
HEIGHT(FEET) NO.OF TREES
0-7 26
7-14 57
14-21 92
21-28 134
28-35 216
35-42 287
42-49 341
49-56 360
3.
4. Represent the data in the form of Histogram and determine Mode
from it
WEIGHT IN KG NO.OF STUDENTS
30-34 3
35-39 5
40-44 12
45-49 18
50-54 14
55-59 6
60-64 2
5. Convert the class limits into class boundaries and prepare a
separate table
CLASS LIMITS CLASS BOUNDARIES NO.OF STUDENTS
30-34 3
35-39 5
40-44 12
45-49 18
50-54 14
55-59 6
60-64 2
6. Convert the class limits into class boundaries and prepare a
separate table
CLASS LIMITS CLASS BOUNDARIES NO.OF STUDENTS
30-34 29.5-34.5 3
35-39 34.5-39.5 5
40-44 39.5-44.5 12
45-49 44.5-49.5 18
50-54 49.5-54.5 14
55-59 54.5-59.5 6
60-64 59.5-64.5 2
7.
8. • Draw less than ogive to represent the following data and
determine median from it:
HEIGHT (CM) FREQUENCY
141-150 5
151-160 16
161-170 56
171-180 19
181-190 4
TOTAL 100
12. • Draw ogives to represent the following data and determine
median from it:
HEIGHT (CM) FREQUENCY
141-150 5
151-160 16
161-170 56
171-180 19
181-190 4
TOTAL 100