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victus00 [196]
3 years ago
15

The mean for the data set is 15. What number is missing? 18,16, __,9,12,23

Mathematics
2 answers:
topjm [15]3 years ago
8 0

Hello answer 12

18 + 16 + 12 + 9 + 12 + 23 = 90 90 ÷ 6 = 12 therefore the missing number is 12 because when you add all the numbers amd divide by the numbers of number you get 15

siniylev [52]3 years ago
5 0

Answer:

12

Step-by-step explanation:

\frac{18 + 16 + 9 + 12 + 23 + x}{6}  = 15

x = 90 - (18 + 16 + 9 + 12 + 23 )

x = 12

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<h3>Given </h3>

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Scientific notation is a method of expressing numbers in terms of a decimal number between 1 and 10, but not 10 itself multiplied by a power of 10.

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