Solve Correlation and Regression | Scientific Calculator fx 991 es

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[@955234views]

most academic videos i usually dont comment but GOD BLESS YOU in whatever your doing, you are a life saver

[@tooirrational]

Thank you... i appriciate your comment

[@mbinzia]

First time a helping video

[@tooirrational]

Happy to help

[@tashingamushaninga8855]

This was perfect, thank you so much!!!

[@tooirrational]

Glad it helped!

[@gyandeepsingh2141]

Very helpful ☺️👍

[@tooirrational]

Glad it was helpful!

[@elenapampaloni9207]

Thank you this helped me so much!!

[@tooirrational]

Glad it helped!

[@sherifhesham9786]

I love your videos, help me so much with stats

[@tooirrational]

happy to help ☺

[@fansofmanchesterunited6133]

Great job
Please I would like to know how to find the median on the scientific calculator

[@user-lk1ec5xo7y]

Thank you for your information

[@tooirrational]

happy to help

[@inioluwaayomide1201]

Thank you.

[@tooirrational]

Happy to help

[@andrewsoufia2279]

What does each term mean that you found. Please much appreciated for ASAP answer

[@tooirrational]

Those are standard notations for correlation and regression...you will find them in most books

[@arjundas7078]

Nice one!

[@tooirrational]

Thanks

[@Is.Mwas17]

thanks big time

[@tooirrational]

You're welcome

[@danish5029]

Thank you very much very good explanation

[@tooirrational]

Glad it was helpful!

[@arbinsama2004]

lifesaver

[@tooirrational]

I appreciate your comments

[@Umesh_Karunarathne]

very clearly explained. Thank you !

[@tooirrational]

Happy to help

[@UniqueGamerz100_M]

Sir do the same quesion with simple sentific calculator by 3 button of reg in lin

[@samruddhicharapale]

bxy =n∑xy-∑x∑y / n∑y²-(∑y²)
How?
I get all that value of ∑x and all remaining through calculator..but I get last ans of bxy & byx wrong

[@aakashkhanal431]

hello uncle what is Sx and Sy?

[@tooirrational]

Sx and Sy is standard deviation of x and y

[@aakashkhanal431]

@@tooirrational then what are sigma(x) and sigma(y)?

[@tooirrational]

Sigma is used for population standard deviation and s is used for sample standard deviation...their formulaes are slightly different...in sigma divide by n and in s divide by n-1

[@deveshmaheshwari541]

can we use this calculator in acturial examination

[@tooirrational]

We can use fx 991es calculator in IFoA exams...for IAI exams fx 82es is recomended

[@Mira_77mimi]

i tried to do tha same exercice by the same calculator but i get differents values please tell why answer me please

[@tooirrational]

you will have to elaborate on the issue

[@tanimjalal5653]

is it possible to calculate summation of (x - mean(x)) directly?

[@tooirrational]

Summation of (x-mean(x)) is always 0