Final answer:
To find the mean of a set of data, add up all the values and divide by the total number of values.
Step-by-step explanation:
To find the mean of a set of data, you need to add up all the values and then divide the sum by the total number of values. In this case, there are 5 values: 12, 53, 141, 219, and 500. Adding them together gives you a sum of 925. Dividing the sum by 5 gives you a mean of 185.
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