Sharp EL9900C EL-9900C - Page 164

Chapter 10: Statistics & Regression Calculations Broken line plot (B.L.) A broken line graph for the frequency distribution of sample (x) Three types of points can be selected from circle, cross and square. The correlation of points between histogram and broken line plot are shown on the right. (The broken line is displayed by connecting the upper left points of the bars of the histogram, as the upper left point of each bar represents each class value in the histogram.) The calculator can draw both a histogram and a broken line plot at the same time. Normal probability plot (N.P.) Plots the variance of the standardized normal distribution with the statistical data (x) on the X axis or Y axis. If the points plot almost linearly, it indicates that the data is of normal distribution. The distance between the dots is set by the Xscl. • The Xscl can be changed between 1 and 64. Use the Window Setting Menu to change the figure. (See page 57) • You cannot set the frequency in the Normal probability plot. The statistical data must be created using only one list without splitting into the data and frequency. Normal distribution plot (N.D.) A normal distribution curve of sample(x) The x-axis is in the range of Xmin to Xmax. 154