First, put the data set from least to greatest.
10, 18, 6, 11, 12 → 6, 10, 11, 12, 18
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Find the median with finding what the middle value of the data set is.
6, 10, 11, 12, 18
Median is 11.
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Find the mean with adding all the numbers and dividing it by how many numbers their are.
6 + 10 + 11 + 12 + 18 = 57
57 / 5 = 11.4
Mean is 11.4
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Wolfyy :)