Health Sciences 3801A/B Lecture 1: Lecture 1 - Describing Data
11 Jan 2019
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Categorical and have no implicit ordering to those variables. You cannot add or subtract the variable of gender. Categorical and have an implicit ordering to those variables. There could be an unequal distance b/w the points. Temperature is continuous and on a scale - it measures the movement of molecules. The 0 is not meaningful because it does not represent the absence of the characteristic. It can be summarized w/ the mean, median or mode. 0 is meaningful because it is an absolute 0. This allows us to multiply and divide numbers. Ordinal variables are problematic from the standpoint of giving us the best array of options from a statistical standpoint. N = the number of variables in a sample size. List all variables from lowest to highest - and find the variable that"s in the middle. The most frequently repeated score in the data set.
