Find the mean when the answer is a decimal
Add all the numbers, then divide by how many there are. The mean may have a decimal.
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Find the mean of this data set: 8, 6, 4, 5
Answer: 5.75
Find the mean of this data set: 2, 9
Answer: 5.5
Find the mean of this data set: 5, 1, 1, 10
Answer: 4.25
Tip: Add all the numbers, then divide by how many there are. The mean may have a decimal.
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