Question

Mean of the data 14, 23, 9, 18, p, 21 is 17. Find the value of 'p'
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Answer 1

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Answer 2

Step-by-step explanation:

$mean \frac{14 + 23 + 9 + 18 + p + 21}{100} = \frac{85}{100} = \frac{17}{20 } \\ 17 p = \frac{17}{20} \\ p = \frac{17}{20} \div 17 \\ p = \frac{17}{20} \times \frac{1}{17} \\ p = \frac{1}{20}$