Question

Find the mean of the data given in the following table.

Answer 1

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Mean=sum of data/ number of observations
Here, number of observations=5

Mean=6+4+5+7+3/5
Mean=25/5
✨${\boxed{\bold{\red{Mean=5}}}}$✨
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Answer 2

Answer:

Step-by-step explanation:

Class

0-20 20-40 40-60 60-80 80-100

Mid value(x)

10 30 50 70 90

Frequency (f)

6 4 5 7 3 =25

fx

60 120 250 490 270 =1190

Mean=fx/f=1190/25=47.6