## Related questions with answers

Public transportation and the automobile are two methods an employee can use to get towork each day. Samples of times recorded for each method are shown. Times are in minutes.

$\begin{matrix} \text{Public Transportation:} & \text{28} & \text{29} & \text{32} & \text{37} & \text{33} & \text{25} & \text{29} & \text{32} & \text{41} & \text{34}\\ \text{Automobile:} & \text{29} & \text{31} & \text{33} & \text{32} & \text{34} & \text{30} & \text{31} & \text{32} & \text{35} & \text{33}\\ \end{matrix}$

Compute the sample mean time to get to work for each method.

Solutions

VerifiedThe goal of the exercise is to find outliers using z-score and interquartile range methods.

By using a spreadsheet, we will find the mean with the help of the following instructions:

- Import the data.
- Select Descriptive Statistics from Data Analysis in the Data menu.
- Select Input Range, Labels in First Row, and Choose Summary Statistics.
- Select a check-box for the mean.

In this exercise, we calculate the sample mean of the given data.

*How can the mean be calculated?*

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