Weight (in mg) | 200-201 | 201-202 | 202-203 | 203-204 | 204-205 | 205-206 |
Number of packets (f) | 12 | 26 | 20 | 9 | 2 | 1 |
Class interval | 120-130 | 130-140 | 140-150 | 150-160 | 160-170 | 170-180 |
Frequency | 2 | 8 | 12 | F | 8 | 7 |
Answer:
We have,
Mode
(1)
Here highest frequency is 26, so the modal class is 201-202.
Mode
OR
(1)
We have,
Weight (in mg)
Number of
packets (f)
200-201
201-202
202-203
203-204
204-205
205-206
12
26
20
9
2
1
(1/2)
Given, Mode
Modal
class is (1/2)
Mode
Here,and
(1)
(1)
Class interval
(f)
120-130
130-140
140-150
150-160
160-170
170-180
2
8
12
f
8
7
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