Question

Q8. The height of 30 students measured to the nearest centimeters have been found
to be as follows:
161
154
164
159
161
165
156
158
168
165
162
161
159
154
153
165
167
162
161
162
153
150
152
171
162
170
168
158
154
159​

Answer 1

plz mention that what we have to in this question

Answer 2

Answer:

The heights (in cm) of 30 students of class VIII are given below:

155, 158, 154, 158, 160, 148, 149, 150, 153, 159, 161, 148, 157, 153, 157, 162, 159, 151, 154, 156, 152, 156, 160, 152, 147, 155, 163, 155, 157, 153.

Prepare a frequency distribution table with 160-164 as one of the class intervals.

SOLUTION

The frequency table is given below:

Height Tally Marks Frequency

145-149 |||| 4

150-154 |||| |||| 9

155-159 |||| |||| || 12

160-164 ||||