Math, asked by somyaprasad2009, 2 months ago

find the arithmetic mean of

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Answers

Answered by pprernakumarii

2

Answer:

20

Step-by-step explanation:

because :

formula of mean :

total sum of observations / total no of observations

so:

total sum of observations : 30 + 35 + 20 + 10 + 5 = 100

total no of observations : 5

100/5 = 20

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