QMS 102 Study Guide - Final Guide: Interquartile Range, Quartile, Standard Deviation

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10% rule: calculate the difference a=|mean-median|, calculate the 10% of the smaller of the mean and median , say b, if ab, then median is the preferred measure. Since a>b, we conclude that the median is a better measure! Mode is data entry that occurs the most. , and the 10% of the smaller, b=10%*4667=466. 7: arrange data in an ascending data array. Find the rank of the 39th percentile: n=13, k=39. Range : highest number of data set lowest number. We can use a casio calculator to compute the standard deviation: So, we can conclude that abc inc. has. ; for xyz inc. , x for the population standard deviation, and xs for the population standard deviation. (2) to find the variance, we need to square the standard deviation. You were asked to fill in a survey by ryerson university about the number of courses you intend to take.

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