1.

Calculate the mean deviation about the mean of the digits 1,2,3,4,5,6,7,8,9.​

Answer»

Step-by-step EXPLANATION:

Mean of the DIGITS 1,2,3,4,5,6,7,8,9 =>

(1+2+3+4+5+6+7+8+9)/9 =>45/9 =>5.

Mean deviation =>[(1-5)+(2-5)+(3-5)+(4-5)+(5-5)+(6-5)+(7-5)+(8-5)+(9-5)]/9 =>(-4-3-2-1+0+1+2+3+4)/9=>0. Hope it helps you.



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