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agasfer [191]
3 years ago
7

Hello i need help plz

Mathematics
1 answer:
natta225 [31]3 years ago
5 0

Answer:

3.064

Step-by-step explanation:

Given the data:

X = 15.5, 19, 21.1, 21.8, 28

The mean absolute deviation is calculated thus :

MAD = |x - mean| / n

Where n = sample size

Mean = Σx / n = 105.4 / 5

Mean = 21.08

MAD = (|15.5 - 21.08| + |19 - 21.08| + |21.1 - 21.08| + |21.8 - 21.08| + |28 - 21.08|) / 5

MAD = 3.064

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