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1. a) On the same diagram, draw two frequency polygons, one for before the council’s campaign and one for after. Remember to include a key to show which frequency polygon is which. b) Comment on whether you think the council’s campaign has been successful or not and give a reason why.
1 de dic. de 2023 · 12. Create an Absolute Frequency Polygon for the data. 13. Create a Relative Frequency Polygon for the data, and compare the appearance with that of the absolute frequency polygon. Review (Answers) Click HERE to see the answer key or go to the Table of Contents and click on the Answer Key under the 'Other Versions' option.
A frequency polygon is a line graph of class frequency plotted against class midpoint. It can be obtained by joining the midpoints of the tops of the rectangles in the histogram ( cf. Fig. 3.3 .). Figure 3.3. Frequency histogram of cars according to their prices. Read more.
14 de ene. de 2019 · This statistics video tutorial explains how to make a frequency polygon.Introduction to Statistics: https://www.youtube.com/wat...
- 10 min
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- The Organic Chemistry Tutor
Steps to Draw a Frequency Polygon. Mark the class intervals for each class on the horizontal axis. We will plot the frequency on the vertical axis. Calculate the classmark for each class interval. The formula for class mark is: Classmark = (Upper limit + Lower limit) / 2. Mark all the class marks on the horizontal axis.
To construct a frequency polygon, first examine the data and decide on the number of intervals, or class intervals, to use on the x -axis and y -axis. After choosing the appropriate ranges, begin plotting the data points. After all the points are plotted, draw line segments to connect them.
12 de abr. de 2024 · The frequency polygon represents the frequency distribution of continuous data graphically. It was first introduced by English statistician Karl Pearson in the late 19th century. He proposed it based on the work of other early statisticians such as Francis Galton and Adolphe Quetelet.
