Question
If the mean of five values is 8.2 and four of the values are 6, 10, 7, and 12, find the fifth value.
Step 1
2. The formula for the mean is the sum of all values divided by the number of values. So, we can write this as: \[8.2 = \frac{6 + 10 + 7 + 12 + x}{5}\] Show more…
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