Economy, asked by dhuliyasanskriti, 1 month ago

following is the marks of 8 students. find out arithmetic mean by shortcut method and step deviation method 30,45,60,45,15,65,85,20

Answers

Answered by judhistir9938

1

Answer:

The answer is 45.

Explanation:

(30+45+60+45+15+65+85+20)/8=360/8=45

please mark me as brainest.

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