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Angelina_Jolie [31]
2 years ago
10

Which is the percent composition of bromine in the compound nabr?.

SAT
1 answer:
IgorC [24]2 years ago
8 0

Answer:

72%

Explanation:

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The mean of a dataset is the average of the dataset.

The mean of the sample in the third row is 2.2

The dataset is given as:

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From the complete question, the samples in the third row are:

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The mean of a dataset is calculated using:

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

Where:

n = 5 i.e. the number of samples

So, we have:

\bar x = \frac{3 + 4 + 3 + 0 + 1}{5}

Add the expressions in the numerator

\bar x = \frac{11}{5}

Divide 11 by 5

\bar x = 2.2

Hence, the mean of the sample in the third row is 2.2

Read more about mean at:

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