Answer:
3.45
Explanation:
Mean is the average of the data set. To find the mean, we need to add all the numbers and divide by the amount of numbers.
{4.2, 3.5, 4.55, 2.75, 2.25}
4.2 + 3.5 + 4.55 + 2.75 + 2.25 = 17.25
17.25/5 = 3.45
Answer: 3,45
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