What is Variance ?
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    What is Variance ?
    Assalamualaikum aj is thread me apko me Pakistan forex trading ke ak bhot he important topic variance ki importance ke bare me btao ga or me umeed
    Karta ho ke jo information me apse share karo ga wo apke knowledge or experience me zaror izafa kare ge.
    What is Variance?
    Tagayur ki istilaah se morad data set mein nambaron ke darmiyan phelao ki shmaryati pemaiesh hai. mazeed khaas tor par, tagayur is baat ki pemaiesh karta hai ke set mein har aik number ost ( ost ) se kitna daur hai, aur is terhan set ke har dosray number se. tagayur ko aksar is alamat se dekhaya jata hai : σ2. usay tajzia car aur tajir dono utaar charhao aur market ki hifazat ka taayun karne ke liye istemaal karte hain. tagayur ka murabba jarr mayaari inhiraf ( sd ya? ) hai, jo aik muddat ke douran sarmaya kaari ke munafe ki mustaqil mizaji ka taayun karne mein madad karta hai .
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    Key Takeaway
    Tagayur aik data set mein nambaron ke darmiyan phelao ki pemaiesh hai. khaas tor par, yeh namoonay ke wast ke ird gird data ke phelao ki degree ki pemaiesh karta hai. sarmaya car yeh dekhnay ke liye tagayuraat ka istemaal karte hain ke sarmaya kaari mein kitna khatrah hai aur kya yeh munafe bakhash hogi. behtareen asasa mukhtas karne ke liye port folyo mein har asasa ki nisbatan karkardagi ka mawazna karne ke liye maalyaat mein bhi tagayur ka istemaal kya jata hai. tagayur ka murabba jarr mayaari inhiraf hai .

    Understanding
    Adaad o shumaar mein, tagayur ost ya ost se tagayur ki pemaiesh karta hai. is ka hisaab data set aur wast mein har aik number ke darmiyan farq ko le kar kya jata hai, phir un firqoun ko misbet bananay ke liye square kar ke, aur aakhir mein data set mein qadron ki tadaad se ke majmoay ko taqseem kar ke. shumariyat daan yeh dekhnay ke liye tagayuraat ka istemaal karte hain ke data set ke andar infiradi adaad aik dosray se kaisay talluq rakhtay hain, bajaye is ke ke adaad ko mein tarteeb dainay jaisi wasee tar ka istemaal karen. tagayur ka faida yeh hai ke yeh wast se tamam inhiraf ko un ki simt se qata nazar aik jaisa samjhta hai. inhiraf sifar par jama nahi ho satke aur adaad o shumaar mein bilkul bhi tagayur Pazeer nahi hotay .

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