Question

Find the arithmetic mean of scores 6, 8, 9, 12, 11, 16, 18, 19.
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Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Step-by-step explanation:

Mean = $\frac{ Sum~of~observations }{ Total~number~of~observations }$

Mean = $\frac{ 6~+~8~+~9~+~12~+~11~+~16~+~18~+~19 }{ 8 }$

Mean = $\frac{ 99 }{ 8 }$

Mean = 12.3