The mean of the following data is
class 0-10 10-20 20-30 30-40 40-50 50-60
frequency 3 6 7 6 3 5
Answers
Answered by
0
Answer:
30
Step-by-step explanation:
(0-60)÷2=30 mean means average so
Answered by
0
Answer:
class middle value x f fx
0-10 5 3 15
10-20 15 6 90
20-30 25 7 165
30-40 35 6 210
40-50 45 3 175
50-60 55 5 305
Total = 30 960
Mean x = £fx/£f
= 960/30
= 32.
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