Hi, I am trying to use fx-991es calculator to find out the mean, standard deviation.
1. Press 'Shfit + 1' (Go to STAT menu)
2. Press '5' to sub menu
3. Press '2' to calculate x bar (mean of a list of x values)
I am stucked here. how do i proceed? i have checked the casio website but it is not very intuitive.
Fx-991es Calculator To Find Out The Mean, Standard Deviation
Started by
dandeliondream
, Jul 14 2007 02:20 PM
4 replies to this topic
#2
dandeliondream
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Calculators:
fx-991ES
Posted 14 July 2007 - 03:48 PM
I managed to find out the way to calculate... 
#3
Guest_sam_*
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Posted 15 July 2007 - 02:43 PM
Hi you can go this site to download a book on using the ES series.
http://www.marco-gro...r_care_my-1.htm
I find that the stat functions interface is not very friendly, but the functions themselves are good.
http://www.marco-gro...r_care_my-1.htm
I find that the stat functions interface is not very friendly, but the functions themselves are good.
#4
Guest_Guest_dandeliondream_*_*
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Posted 16 July 2007 - 02:26 AM
I didn't expect anyone to reply my post. Thanks for the useful info. 
#5
Guest_nagrck_*
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Posted 16 July 2007 - 09:24 PM
After introducing de data on the table, you have to press the AC button to go to the "work screen", the you are in STAT mode and you can include any statistic function in your calculations.
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