4 years ago

What is this .i need help

Mathematics

1 answer:

Lesechka [4]4 years ago

7 0

120138 subtract both and that would be the answer

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Answer:

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Step-by-step explanation:

Given

The attached dataset

Required

The mean absolute deviation

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$\bar x = \frac{\sum x}{n}$

So, we have:

$\bar x = \frac{42+40+39+76+71+55+68+65}{8}$

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Using a calculator, we have:

$m =\frac{1}{8} (|-15| + |-17| + |-18| + |19| + |14| + |-2| + |11| + |8|)$

Remove absolute bracket

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