There are five cards on a table. On four of the cards there are the numbers 9, 1, 3 and 5. You are told that the mean value of the numbers is 5.
What number is on the 5th card?

The mean is the straightforward meaning of the normal of a lot of numbers. In measurements, one of the markers of focal propensity is the mean.

There are five cards on a table.

On four of the cards there are the numbers 9, 1, 3 and 5.

You are told that the mean value of the numbers is 5.

Then the number is on the 5th card will be

Let the value of the fifth card will be x.

Then we have

Mean = (sum of the observation) / (number of the observation)

5 = (1 + 3 + 5 + 9 + x) / 5

25 = 18 + x

x = 25 – 18

x = 7

More about the mean link is given below.

https://brainly.com/question/521501

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There are five cards on a table. On four of the cards there are the numbers 9, 1, 3 and 5. You are told that the mean value of the numbers is 5. What number is on the 5th card?

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There are five cards on a table. On four of the cards there are the numbers 9, 1, 3 and 5. You are told that the mean value of the numbers is 5.
What number is on the 5th card?