Calculating the Standard Deviation - Anne Gloag's Math Page

Calculate the mean and standard deviation of the following array of numbers. 8, 8, 9, 11, 14. Press MODE ( 2 ( 1 (this puts calculator in Stats mode) Inputting the data: Press 8 ( = 8 ( = 9 ( = 11 ( = 14 ( = Press AC ( SHIFT ( 1 ( 4 (or 5 on fx-85GT) For the . mean, press 2 ( = (you should get an answer of . 10) For . standard deviation ................
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