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fiasKO [112]
3 years ago
6

What is the mean absolute deviation of the data: 10, 20, 15, 17, and 13?

Mathematics
1 answer:
Rufina [12.5K]3 years ago
5 0

Answer:

2.8

Step-by-step explanation:

1) find the mean of the data set. = 15

2) find the abs value of the diff between each data value and the mean: |data value – mean|.

|10-15|=5, |20-15|=5, |15-15|=0, |17-15|=2, |13-15|=2

3) find the sum of the abs values of the diff = 14

4) divide the sum of the abs value by the number of data values = 14/5 = 2.8

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