Question

The mean of 13, 16, 18, x, 12, 17, 14, 20 is 16, find the value of x​

Answer 1

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Answer 2

Question:

____________

The mean of 13, 16, 18, x, 12, 17, 14, 20 is 16, find the value of x

Answer:

__________

Mean of the numbers = 16 ( given )

Number of terms = 8

A/q,

(13 + 16 + 18 + x + 12 + 17 + 14 + 20) / 8 = 16

13 + 16 + 18 + x + 12 + 17 + 14 + 20 = 16 × 8

110 + x = 128

x = 128 - 110

x = 18

Hence, x = 18

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