QMS 102 Lecture Notes - Quartile, Papyrus 75, Percentile

• School: Ryerson University
• Department: Quantitative Methods
• Course: QMS 102
• Professor: Amy Peng

Document Summary

Three steps for finding kp: arrange data in an ascending data array, calculate the rank of the kth percentile using r=rank of kp =halfround(nk/100+1/2) a) n=number of the observations in the dataset; b) halfround(. Refer to table 3: marriages by province and territory published by statistics canada. Advantage of using mean: the mean is a reliable measure because it takes into account every entry of a data set. The range measures the total spread in the set of data. Although it is a simple measure of the total variation in the data, it does not take into account how the data are distributed between the least and greatest. Note: (1) we can use a casio calculator to compute the standard deviation: xs for the population standard deviation. (2) to find the variance, we need to square the standard deviation. xs for the population standard deviation, and.