Chapter 8. Calculating and plotting statistics
This chapter covers
- Calculating statistics over lists of samples
- Drawing statistical plots on the graphscreen
- Fitting lines to data sets
Statistics is the study of data sets. The purpose of statistics is to take large amounts of data and organize, summarize, and visualize it to make it easier to interpret (as in figure 8.1). For example, you can measure the heights of 800 students, but until you figure out the average height and graph how many people are each height, those 800 samples are just a mass of numbers. Because statistics deals with calculating and graphing sets of numbers, it makes sense that a graphing calculator would be particularly handy for statistics. In this chapter, you’ll ...
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