APST 207 Lecture Notes - Lecture 6: Data Cluster, Kurtosis, Standard Deviation
Document Summary
The values around which the data cluster. How spread out the data is around the mean. Range : the distance between the most extreme values values. Variance : the numerical indicator of the spread of the data. Standard deviation average distance values are from the mean. You can draw the shape of a distribution if you know the mean and standard deviation. Central limit theorem: the distribution of sample statistics (liek the mean) will always be normal. The larger the sample size (n) the closer our sample statistics will be to the population mean ( ) We calculate the mean for a sample.
