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schepotkina [342]
11 months ago
13

The following are distances (in miles) traveled to the work place by 6 employees of a certain brokerage firm. Find the standard

deviation of this sample distances. ROund your answer to two decimal places

Mathematics
1 answer:
koban [17]11 months ago
7 0

Step 1

Arrange the data from smallest to biggest

2,5,14,34,37,40

Step 2

The formula for standard deviation for sample is given as;

\begin{gathered} \sigma=\sqrt{\frac{\sum(x-\mu)^2}{n-1}} \\ \mu=mean \\ n=number\text{ of data} \end{gathered}

Find the mean

mean=\frac{132}{6}=22

Hence the standard deviation will be;

\begin{gathered} \sigma=\sqrt{\frac{1446}{6-1}=}17.005881 \\ \sigma\approx17.01\text{ to 2 decimal places} \end{gathered}

Answer; The standard deviation for the sample to two decimal places is;

17.01

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