Question

03. Calculate mean of the following series:
5
6
7
8
9
Size
10
12
15
28
20
14
5
Frequency: 6​

Answer 1

Answer:

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Step-by-step explanation:

Calculate the mean for the following distribution:

x: 5 6 7 8 9

f: 4 8 14 11 3

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ANSWER

Mean =

∑f

i

∑x

i

f

i

⇒mean =

4+8+14+11+3

(5×4)+(6×8)+(7×14)+(8×11)+(9×3)

⇒mean =

4+8+14+11+3

20+48+98+88+27

=7.025