Cory recorded the following values when he measured the length of leaves from one tree.

length in centimeters: 10, 13, 11, 12, 12, 11, 8
what is the mean of cory’s data?
a: 8 cm
b: 10 cm
c: 11 cm
d: 13 cm

Mean means average. The equation for the mean is defined as t

The sum of all numbers by the total amount of numbers 

This being said

10+13+11+12+12+11+8=77 
There is 7 numbers in total 

77/7=11cm

How To Solve It:

10 + 13 + 11 + 12 + 12 + 11 + 8 = 77

I added all the lengths of all the leaves he collected from that tree

77 ÷ 7 = 11

Then I divided it by the amount of leaves lengths I calculated to find the average length of a leaf found on that tree.

C (11cm)

I hope this helps! :)

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