Question

Given i Rx: tE ohere S Kxwith Knewn fo.Fd tind the Or dinmy ast ue tahmetli y A and d Compute its mean ms Vamiamce ie. ECbosome Nan(o,L Frd the weugbtrd ran Squan eshmdte y Aand also Conpute ds Mam ana variem ce it. (L m Var (owsand Compare geu reucts to above O Fond a uniasd estimato K fKana Shovo hoit e dnirsed Jus6 our ret. C

Answer 1

Solution- Gtuen 2 4i Botsxitgiuberedi= KRi Bo is k0OOn Oriel inary Least Square methodl (Bip i fe --8,xi we differentiate abuNe equation b Heme respect to Br equate it to emro with Xii-3Xi 121 PEX:2

Page No EXiyi 3 ZXIYi-0XY ALS NaTCX) Exi-x2 ahereci= - 2(xi-2 E(bea) TE ci e 13 17 (ai-a Var(x deviation taken Prom t mean iG 7ETO

Page No. Date Cixi varca 2 12-nx vaFCx) 1 1 equatien Putting values of 2i (baLe) Bo folt fi( 1 17 het Gauare etimater vaT ECie var TA 1 &2- kai (babs) Vaf = k Weiahted least Square Bstimator!- Bum of DquaTes of erroT given by i(y-,-i (21 Oifferentiating equation ot it equate it zero -24i(yi- e.-B: Ji

Paga No Date wiRiyi- Pocoi- wii 0 TAI wix2 Muixiyi o =- wia: + wii2 wiriyi wixigi y.wiai-8, ii+ wixp M6ixi(ai-& 121 4i-4 ai-a E (boors 1 war(yi-9) Yar bwis) E (i-2 vartv) t vaT(y)-2cov (vy (7i-7) 2.Q 3i t -2cov (yiry xi-&

Page No. Date 97 Σ9. yi - CON (923 Y Coy 9 Nar(y1) tvar(ye) var( Y,).- 1 n Narly - 2: 2 Nan (hors) 1 Lai-2 kai i-2 NEGET (21) E kzi2 c)