Question

If a mean of 10,12,P,13,20,17 is 15. Find the value of P​

Answer 1

Answer:

your answer is

Step-by-step explanation:

Use formula of summation fixi/fi

then add these all terms and divide by 6 as there are 6 total observation

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Answer 2

Step-by-step explanation:

Let x be the mean of the given numbers.

X=15

–》 X = sum of all Xi / total number

–》 15 = 10+12+P+13+17+20 /6

–》 15×6 = 72+P

–》 90-72 =P

–》18=P

P=18