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rjkz [21]
1 year ago
14

Check the following data set for outliers if there is more than one answer separate them with the commas

Mathematics
1 answer:
ch4aika [34]1 year ago
8 0

We have the following data set: {245, 253, 220, 241, 282, 234, 236, 249}

The mean value is 245.

The standard deviation is 18 (rounded)

An outlier is any data that diverges significantly from the majority of the data set.

If we consider as outliers every data that distances from the mean in more than one standard deviation, then the outliers will be any data less than 227 or greater than 263

Therefore, the outliers are 220 and 282.

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ANSWER

C. 35 men

EXPLANATION

Let m represent the number of men needed and d represent the number of days.

From the question,the number of men needed varies inversely to the time needed to complete the project.

We can write the inverse variation equation.

m =  \frac{k}{d}

where k is the constant of variation.

When m=28, d =90.

We substitute these values into the variation equation to determine the value of k.

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Therefore he needs to have 35 men working.

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