English, asked by lalremtluangivarte, 6 months ago

Students of class XI secured following marks in their Statisticas paper.Calculate arithmetic mean using Direct Method and Short-cut Method. 20,44,65,28,45,67,30,50,68,39,53,70,40,60,75
(Ans.X = 50.27)​

Answers

Answered by sirangikalpana123
0

Answer:

50.27

Explanation:

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