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Chapter 1: Q 1.3. (page 55)

Here, once again, is the stem plot of travel times to work for 20randomly selected New Yorkers. Earlier, we found that the median was 22.5minutes.

Interpret your result from Question 2 in context without using the words 鈥渕ean鈥� or 鈥渁verage".

Short Answer

Expert verified

In case one effectively divided the time of travel among 20people, everyone will have 31.25minutes time of travel.

Step by step solution

01

Given information

As per the provided information, the Median is22.5minutes.

The number of observations :20

02

Concept

The data is divided into stems (the highest digit) and leaves (the lowest digit) in a stem and leaf plot (the smallest digits). Before the personal computer, they were popular because they were a quick way to sketch data distributions by hand. When objects need to be displayed in a way that demonstrates the hierarchical structure as well as amount or size, pyramid charts are the ideal choice. This can include positions in management, items sold, and business locations, among other things

03

Explanation

The following is an example of how to evaluate conclusions based on the data from the previous question without using the words "average" or "mean":

Everyone will have 31.25 minutes of travel time if the journey time is effectively shared among 20 people.

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Here, once again, is the stem plot of travel times to work for 20randomly selected New Yorkers. Earlier, we found that the median was 22.5minutes.

Would the mean or the median be a more appropriate summary of the center of this distribution of drive times? Justify your answer.

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