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Sep
How To Do A Frequency Polygon. Then type in the desired value and press ENTER. Mark the class interval values on the horizontal axis. You can construct a frequency polygon by joining the midpoints of the tops of the bars. Histograms and frequency polygons.
How to Draw a Frequency Polygon. Enter the following data for a frequency table that shows the number of students who received a certain score on an exam. This statistics video tutorial explains how to make a frequency polygonMy Website. Usually the class interval is plotted on the X- axis or the horizontal line and the frequencies that are corresponding to the class intervals are plotted on the Y- axis or the vertical line. Frequency polygons geom_freqpoly display the counts with lines. Histograms and frequency polygons.
We will plot the frequency on the vertical axis.
Make the window settings appropriate Press WINDOW Move the cursor to the value that needs to be changed. Mark the mid value on the horizontal axis. Find the midpoint of each class. You can construct a frequency polygon by joining the midpoints of the tops of the bars. Usually the class interval is plotted on the X- axis or the horizontal line and the frequencies that are corresponding to the class intervals are plotted on the Y- axis or the vertical line. Mark frequencies corresponding to the class interval on the vertical axis but not on the upper or lower limit.