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There are 23 students in a Statistics class. If the mean age of 22 of these...

There are 23 students in a Statistics class. If the mean age of 22 of these students in the class is 22.5 years, find the age of the 23rd student if the mean age of all the 23 students in the class is 23 years. Show all work.

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Answer #1

There are 23 students in the statistics class.

Let the age of the students are denoted by,

X1,X2,...,X23

Here given that mean age of 22 student is 22.5 years.

We need to find the age of 23rd student.

Here given that mean age of 23 students is 23.

The age of 23rd student is 34.

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