58 Chapter 2 Graphical Summaries of Data Constructing a Histogram Step 1. Press 2nd, Y= to access the STAT PLOTS menu and select Plot1 by pressing 1. Step 2. Select On and the histogram icon (Figure C). Step 3. Press WINDOWand: • Set Xmin to the lower class limit of the first class. We use 0 for our example. • Set Xmax to the lower class limit of the class following the one containing the largest data value. We use 7. • Set Xscl to the class width. We use 1. • Set Ymin to 0. • Set Ymax to a value greater than the largest frequency of all classes. We use 30. Step 4. Press GRAPH to view the histogram (Figure D). Figure C Figure D MINITAB Constructing a Histogram Step 1. Name your variable Particulate Emissions and enter the data from Table 2.7 into Column C1. Step 2. Click on Graph. Select Histogram. Choose the Simple option. Press OK. Step 3. Double-click on the Particulate Emissions variable and press OK (Figure E). Figure E EXCEL Constructing a Histogram Step 1. Enter the Particulate Emissions data from Table 2.7 in Column A. Step 2. Press Data, then Data Analysis. Select Histogram and click OK. Step 3. Enter the range of cells that contain the data in the Input Range field and check the Chart Output box. Step 4. Click OK.
navidi_monk_essential_statistics_1e_ch1_3
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