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Diquann
Mean is found by adding all numbers and dividing by the number of numbers added.
1)Mean = 10.5
Median is found by lining the numbers from least to greatest then crossing off the larges number then smallest then largest then smallest etc. Till you reach the middle and last number
Median = 10, because this number is in between 9 and 11

That's the first one I believe that will help you figure out the others. Hope that helps
To find the mean, you would have to add all numbers first. You would then divide it by the number of data.

To find the Median, order the numbers from least to greatest, and find the middle number.

To find the Range, you would subtract the largest and smallest numbers.

Sorry I don't know much about Box Plots.

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