![Casio Classwiz fx-991EX Statistics | Find Mean, Variance, Standard Deviation & Summary Statistics - YouTube Casio Classwiz fx-991EX Statistics | Find Mean, Variance, Standard Deviation & Summary Statistics - YouTube](https://i.ytimg.com/vi/gSJ4SCFrDlc/hqdefault.jpg)
Casio Classwiz fx-991EX Statistics | Find Mean, Variance, Standard Deviation & Summary Statistics - YouTube
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Amazon.com : Casio FX-991EX Engineering/Scientific Calculator, Black, 3" x 6.5" x 0.4" : Office Products
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![Trying to calculate the first and third quartile with my casio fx-991EX but I'm not getting accurate results, any help? The correct quartiles are: Q1= 2.75 , Q3= 7.25 : r/calculators Trying to calculate the first and third quartile with my casio fx-991EX but I'm not getting accurate results, any help? The correct quartiles are: Q1= 2.75 , Q3= 7.25 : r/calculators](https://preview.redd.it/trying-to-calculate-the-first-and-third-quartile-with-my-v0-csddtepsntw91.jpg?auto=webp&s=9f27fa3fdd86bf662b8bb8bea9d0d4110b379091)
Trying to calculate the first and third quartile with my casio fx-991EX but I'm not getting accurate results, any help? The correct quartiles are: Q1= 2.75 , Q3= 7.25 : r/calculators
![Law of Logarithms Problem using SOLVE on Casio Classwiz fx-991EX fx-570EX | Life hacks for school, Solving, Graphing calculator Law of Logarithms Problem using SOLVE on Casio Classwiz fx-991EX fx-570EX | Life hacks for school, Solving, Graphing calculator](https://i.pinimg.com/originals/41/e8/8a/41e88a5f27fc12133a0af1f2e98b79c4.jpg)
Law of Logarithms Problem using SOLVE on Casio Classwiz fx-991EX fx-570EX | Life hacks for school, Solving, Graphing calculator
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![Casio Classwiz fx-991EX Statistics | Find Mean, Variance, Standard Deviation & Summary Statistics - YouTube Casio Classwiz fx-991EX Statistics | Find Mean, Variance, Standard Deviation & Summary Statistics - YouTube](https://i.ytimg.com/vi/gSJ4SCFrDlc/maxresdefault.jpg)
Casio Classwiz fx-991EX Statistics | Find Mean, Variance, Standard Deviation & Summary Statistics - YouTube
![Casio Classwiz - Mean & Standard Deviation Grouped Continuous Data using Calculator FX-991EX FX991EX - YouTube Casio Classwiz - Mean & Standard Deviation Grouped Continuous Data using Calculator FX-991EX FX991EX - YouTube](https://i.ytimg.com/vi/2s00gOvvdlY/maxresdefault.jpg)