March 2024
Intermediate to advanced
610 pages
24h 12m
English
Content preview from Introduction to the New Statistics, 2nd Edition
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3 Picturing and Describing Data
Usually, the most exciting moment in research is when, for the first time, you have your data and are ready to use them to start answering your research questions. We’ll discuss two approaches: data pictures and descriptive statistics. Both can be wonderfully revealing about your data. As usual, there are choices to make and careful thinking is essential.
This chapter discusses:
- Pictures of data that reveal the location, spread, and shape of a distribution
- Dot plots, frequency histograms, and the beautiful bell-shaped normal distribution
- Descriptive statistics for location: mean, median, and mode
- Descriptive statistics for spread: variance and standard deviation
- Descriptive statistics ...
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