HP 40gs hp 40gs_user's guide_English_E_HDPMSG40E07A.pdf - Page 120
Plot types
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hp40g+.book Page 16 Friday, December 9, 2005 1:03 AM To plot statistical data Plot types Histogram Box and Whisker Plot 1. In Symbolic view ( sets you want to plot. ), select ( ) the data 2. For one-variable data ( ), select the plot type in Plot Setup ( SETUP-PLOT). Highlight STATPLOT, press , select either Histogram or BoxWhisker, and press . 3. For any plot, but especially for a histogram, adjust the plotting scale and range in the Plot Setup view. If you find histogram bars too fat or too thin, you can adjust them by adjusting the HWIDTH setting. 4. Press . If you have not adjusted the Plot Setup yourself, you can try . select Auto Scale Auto Scale can be relied upon to give a good starting scale which can then be adjusted in the Plot Setup view. One-variable statistics. The numbers below the plot mean that the current bar (where the cursor is) starts at 0 and ends at 2 (not including 2), and the frequency for this column, (that is, the number of data elements that fall between 0 and 2) is 1. You can see information about the next bar by pressing the key. One-variable statistics. The left whisker marks the minimum data value. The box marks the first quartile, the median (where the cursor is), and the third quartile. The right whisker marks the maximum data value. The numbers below the plot mean that this column has a median of 13. 10-16 Statistics aplet