Math, asked by ryan234, 11 months ago

Number of observations are 30 and value of arithmetic mean is 15 then sum of all values is
a) 15
b) 450
c) 200
d) 45

Answers

Answered by preethi262200

1

Answer:

450

Step-by-step explanation:

mean=sum/total number

sum=mean×total number

=15×30

Sum=450...

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