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Statistics
Part 1 of Paper
....to summarize a collection of data in a clear and understandable way. For example, if a psychologist gave a personality test measuring shyness to all 2500 students attending a small college, How might these measurements be summarized? There are two basic methods: numerical and graphical. Using the numerical approach one.... Part 2 of Paper
....ance? How much larger could the real difference be than the 12 points? These are the types of questions answered by inferential statistics.
There are two main methods used in inferential statistics: estimation and hypothesis testing. In estimation, the sample is used to estimate a parameter and a confidence interval about the estimate is constructed.
In the most common use of hypothesis testing, a "straw man" null hypothesis is put forward and it is determined whether the data are strong eno.... |
| Number of words: 1914 - Approximate pages: 7 |
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