Find an application in your major field that leads to a sinusoidal graph. Write a paper about your findings.

Zscores and Percentiles Andrew Isbell Population zscore Z x Pop. Mean/ Standard deviations Sample zscore ZxSample Mean/ Standard deviations Zscores give an approximation of the averageness of a value compared to the population as a whole. Interpret Percentiles The kth percentile which means that the kth amount did less/worse than you Quartiles The first quartile, denoted Q1, divides the bottom 25 percent of data from the top 75. This is the 25 th percentile The second quartile (same as the median) divides the bottom 50% of data from the top 50% of data. This th is the 50 percentile. The 3 quartile divides the bottom 75% of data from the