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Leader
To find the mean, you have to add all the numbers and divide by how many numbers there are in total.

The mean is [tex] \frac{48+49+50+53+55+60+65}{7} = \frac{380}{7} = 54.2857142857[/tex]

The mean of those seven numbers is 54.29

TSO
To find the mean, add all the numbers up and divide by how many numbers there are.

[tex] \frac{48,49,50,53,55,60,65}{7} = \frac{380}{7} = 54.29[/tex]

Your answer is 54.29 :)

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