Answer:
The mean of this data set is 10.6
Explanation:
To find the Mean of a data set, you add up all the values and then divide by the number of values.
3 + 4 + 6 + 7 + 10 + 15 + 19 + 21 = 85
This data set has 8 values.
85 ÷ 8 = 10.6
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