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Q.1

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Found in: Page 125

### Introductory Statistics

Book edition OER 2018
Author(s) Barbara Illowsky, Susan Dean
Pages 902 pages
ISBN 9781938168208

# For each of the following data sets, create a stem plot and identify any outliers. The miles per gallon rating for $30$ cars are shown below (lowest to highest).$19,19,19,20,21,21,25,25,25,26,26,28,29,31,31,32,32,33,34,35,36,37,37,38,38,38,38,41,43,43$

The stem plot of data is

See the step by step solution

## Step 1: Content Introduction

A stem and leaf plot divides data into stems (the greatest digit) and leaves (the lowest digit) (the smallest digits). Stem-and-leaf diagrams are excellent for illustrating the relative density and form of data, providing a fast summary of the distribution to the reader. They keep (most) of the raw numerical data, which is typically in great condition. They can also be used to find the mode and identify outliers.

## Step 2: Content Explanation

The data is divided into $30$points and utilized to create stem and leaf plot.

The stem and leaf plot shows a summary of the data and allows us to immediately examine the distribution's form as well as which areas of the data are frequently used.

The data stem plot is