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nasty-shy [4]
3 years ago
14

A set of data has MAD O and one of the data values is 14. What can you say about the data values?

Mathematics
1 answer:
Alekssandra [29.7K]3 years ago
8 0

Given:

Mean absolute deviation (MAD) = 0

One of the data values = 14.

To find:

The statement for other data values.

Solution:

We know that Mean absolute deviation (MAD) represents the average of absolute difference between observations and mean.

MAD=\dfrac{\sum |x_i-\overline x|}{n}

MAD is 0. It is possible if \sum |x_i-\overline x|. It means all the values of |x_i-\overline x| are 0.

It means no deviations in mean angle values and all the values are the same.

Therefore, if MAD is 0 and one data value is 14, then all the data values are same, i.e., 14.

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Answer:

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Step-by-step explanation:

Let the length of the board is = l feet

Marty saws off \frac{1}{5} of a wooden board.

Length of the board left = l - (\frac{1}{5})l

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He saws off \frac{3}{4}th of the remaining board,

Board left = (\frac{4}{5})l-[(\frac{4}{5})l\times (\frac{3}{4})]

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He finally saws off \frac{1}{3}rd of the remaining board.

Board left = \frac{1}{5}l-[\frac{1}{5}\times \frac{1}{3}]l

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Fraction of the original board left = \frac{\frac{2}{15}l}{l}

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Answer:

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Step-by-step explanation:

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