Math, asked by trsshelby, 4 days ago

If the number of observations is 40 and the value of arithmetic mean is 20, the sum of all the values is: A. 80 B. 600 C. 680 D. 800

Answers

Answered by allroundersaksham304

1

Answer:

D. 800

Step-by-step explanation:

Sum of obs.(cross multiplication) = 40×20

= 800

Hope it helps you.. plz mark as brainliest

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