Mean and range

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Scooby Scooby
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Mean and range

What is the mean and range of these numbers: 4, 5, 2, 3, 10, 8, 15, 5?
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Re: Mean and range

Mean is the average.  Add the numbers and divide by the number of numbers.

4 + 5 + 2 + 3 + 10 + 8 + 15 + 5
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                     8

=  52/8
mean =  6.5


Range is the difference between highest and lowest.
=  15 - 2
range =  13

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