Sharp EL9900C EL-9900C - Page 163

Chapter 10: Statistics & Regression Calculations 3. Graphing the statistical data Press [ to access the statistical graphing mode. The calculator can plot statistical data on up to 3 types of graph (PLOT1 to PLOT3) to check the state of distribution. The graph types can be selected from histogram, broken line plot, normal probability plot, normal distribution plot, box plot, modified box plot, pie chart, scatter diagram and XY line. Broken line plot, normal probability plot, modified box plot, scatter diagram and XY line can use 3 different types of points - circle, cross, and square. Statistical graph types overview (chart) PLOT1 PLOT2 PLOT3 Histogram Broken line plot Normal probability plot Normal distribution plot Box plot Modified box plot Pie chart Scatter diagram XY line POINT: ° POINT: + POINT: 1. Graph Types Histogram (HIST) A bar graph of sample (x) The width of the bars is set by the Xscl*. The Y-axis shows the frequency. * The Xscl can be changed to between 1 and 64. Use the Window Setting Menu to change the Xscl. (See page 57.) 153