Stats 201 week 3 notes
Stats 201 week 3 notes Stat 201
Popular in General Statistics
Popular in Statistics
This 1 page Class Notes was uploaded by Victoria Notetaker on Monday February 8, 2016. The Class Notes belongs to Stat 201 at Colorado State University taught by Xiaowen Hu in Spring 2016. Since its upload, it has received 17 views. For similar materials see General Statistics in Statistics at Colorado State University.
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Date Created: 02/08/16
BoxPlot is a way to show 5 number summary. The actual boxcovers the middle 50% of data (from Q1 to Q3) Multiple box plots are used to make comparisons. DotPlot are used to display 5 number summary as well. It is generally used for smaller data because a dot is used for each individual value. Where do outliars come from? Human error, data entered wrong Improper values, ex. Weight can be lb or kg Could be a correct respond but just not fit in Use the IQR x 1.5 to find suspected outliers Relative Frequency Interpretation When doing a large number of trials, this is the probablitiy of an outcome as the proportion of times it would occur over the many trials. Ex. Flipping a coin Personal Interpretations Personal or subjective probability is the degree of which you predict things will happen, or your gut feelings. This has a large degree of bias and inaccuracy. Sample Space (S) is the set of all possible outcomes of a random phenomenon. An event is the single or set of outcomes. The complement of an event is its opposite.
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