After conducting a survey of all her classmates, Midge discovers that the amount of money everyone spends buying books each month has a mean of $30. What does the mean say about the amount her classmates spend on books?

Half of her classmates spend exactly $30 per month buying books.

Half of her classmates spend more than $30 per month buying books.

The majority of her classmates spend $30 per month buying books.

If the amount spent on books per month by all her the classmates is leveled, that amount would be $30.

Question

Mathematics

Alessandro Hobbs

24 June, 09:14

After conducting a survey of all her classmates, Midge discovers that the amount of money everyone spends buying books each month has a mean of $30. What does the mean say about the amount her classmates spend on books?

Half of her classmates spend exactly $30 per month buying books.

Half of her classmates spend more than $30 per month buying books.

The majority of her classmates spend $30 per month buying books.

If the amount spent on books per month by all her the classmates is leveled, that amount would be $30.

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Answers (1)

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Wilkinson · Answer 1

The mean is the average of the numbers: a calculated "central" value of a set of numbers.

Therefore: If the amount spent on books per month by all her classmates is leveled that amount would be $30

To calculate it: add up all the numbers, then divide by how many numbers there are