Question

find the mean of
10,20,30,60and 80​

Answer 1

Step-by-step explanation:

Class Interval frequency (fi) Mid value fixi

0-10 12 5 60

10-20 16 15 240

20-30 6 25 150

30-40 7 35 245

40-50 9 45 405

N=∑fi=50 ∑fixi=1100

∴Mean=

∑fi

∑fixi

=

50

1100

=22

Answer 2

Answer:

mean is 30

Step-by-step explanation:

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