Question

The mean of the following data is 15. Find the missing number P. 12, 15, 32, P, 28, 12, 35​

Answer 1

Answer:

(12+15+32+P+28+12+35)/7 =15

P + 134 = 105

P = 105 - 134 = -29

Answer 2

Answer:

The missing number in the data set is -29. However, it's worth noting that a negative value for P may not make sense depending on the context of the data.

Explanation:

To find the missing number P, we can use the formula for the mean of a set of numbers:

mean = (sum of numbers) / (number of numbers)

We are given that the mean of the data is 15, and we know 6 of the 7 numbers in the data set. We can use this information to find the missing number P.

First, we can find the sum of the six known numbers:

sum = 12 + 15 + 32 + 28 + 12 + 35 = 134

Next, we can use the formula for the mean to solve for the missing number P:

15 = (sum of numbers) / (number of numbers)

15 = (134 + P) / 7

Multiplying both sides by 7, we get:

105 = 134 + P

Subtracting 134 from both sides, we get:

P = -29

Therefore, the missing number in the data set is -29. However, it's worth noting that a negative value for P may not make sense depending on the context of the data.

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