1.

Find mean of the given observation 12, 14, 11, 15, 17, 20​

Answer» ONG>ANSWER:

Mean = SUM of all observations ÷ number of observations

⇒ 12 + 14 + 11 + 15 + 17 +20 ÷ 6

⇒89÷6

⇒14.833

Step-by-step explanation:



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