132 CHAPTER 3 Describing, Exploring, and Comparing Data Boxplots, 5-Number Summary, Outliers Access tech supplements, videos, and data sets at www.TriolaStats.com TECH CENTER Statdisk 5-Number Summary Use Descriptive Statistics procedure given at the end of Section 3-1 on page 98. Boxplots 1. Click Data in the top menu. 2. Select Boxplot from the dropdown menu. 3. Select the desired data columns. 4. Click Boxplot or Modified Boxplot. Outliers Create a modified boxplot using the above procedure or sort as follows: 1. Click Data in the top menu. 2. Select Sort Data from the dropdown menu. 3. Click Sort after making desired choices in the sort menu. 4. Examine minimum and maximum values to determine if they are far from other values. Minitab 5-Number Summary Use Descriptive Statistics procedure given at the end of Section 3-1 on page 98. Boxplots 1. Click Graph in the top menu 2. Select Boxplot from the dropdown menu 3. Select Simple option for one boxplot or multiple boxplots, then click OK. 4. Double click on the desired data column(s) so that it appears in the Graph variables window, then click OK. Outliers Create a modified boxplot using the above procedure or sort as follows: 1. Click Data in the top menu. 2. Select Sort from the dropdown menu. 3. Double click the desired data column so that it appears in the first row of the Columns to sort by window. 4. Under Columns to sort select All columns. Click OK. 5. Examine minimum and maximum sorted values to determine if they are far from other values. StatCrunch 5-Number Summary Use Descriptive Statistics procedure given at the end of Section 3-1 on page 98. Boxplots 1. Click on Graph in the top menu. 2. Select Boxplot from the dropdown menu. 3. Select the desired data column. For a modified boxplot, check the Use fences to idenfity outliers box. 4. Click Compute! Outliers Create a modified boxplot using the above procedure or sort as follows: 1. Click Data in top menu. 2. Select Sort from the dropdown menu. 3. Select the desired data column. 4. Click Compute! 5. Examine minimum and maximum values to determine if they are far from other values. TI-83, 84 Plus Calculator 5-Number Summary Use Descriptive Statistics procedure given at the end of Section 3-1 on page 98. Boxplots 1. Open the STAT PLOTS menu by pressing F, E 2. Press [ to access the Plot 1 settings screen as shown: a. Select ON and press [. b. Select the second boxplot icon, press [. Select the first boxplot icon for a modified boxplot. c. Enter name of list containing data. 3. Press B then 9 (ZoomStat) to display the boxplot. 4. Press C and use fg to view values. Outliers Create a modified boxplot using the above procedure or sort as follows: 1. Press K, select SortA (sort ascending) from the menu and press [. 2. Enter the name of the list to be sorted and press [. 3. To view the sorted list, press K, select Edit and press [. 4. Highlight the top cell in an empty column, enter the list name and press [. 5. Use he to examine minimum and maximum values to determine if they are far from other values. TIP: The list name L1 (and L2 . . . L6) can be quickly entered by pressing F 1.
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