leonbullock135 leonbullock135

15-02-2017
Mathematics

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The mean of 100 numerical observations is 51.28 what is the value of the sum of all 100 numbers

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LammettHash LammettHash

15-02-2017

[tex]\dfrac{x_1+x_2+\cdots+x_{99}+x_{100}}{100}=51.28[/tex]

which means the sum of the 100 numbers must be

[tex]x_1+x_2+\cdots+x_{99}+x_{100}=100\times51.28=5128[/tex]

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