Question

For the data set shown​ below, complete parts​ (a) through​ (d) below.

x	33	44	55	77	88
y	44	66	77	1313	1515

​(a)  Find the estimates of

beta 0β0

and

beta 1β1.

beta 0β0almost equals≈b 0b0equals= -3.244

​(Round to three decimal places as​ needed.)

beta 1β1almost equals≈b 1b1equals=2.267

​(Round to three decimal places as​ needed.)​

(b)  Compute the standard​ error, the point estimate for

sigmaσ.

s Subscript eseequals=nothing

​(Round to four decimal places as​ needed.)

Find the sum of every column: ΣΧ-27, ΣΥ -5, Σx.Υ= 2 , Σχ' = 163 Use the following equations to find and ΣΥ.ΣΧ-ΣΧ. ΣΧΥ .ΣΧ-(ΣX ΣΧΥ-ΣX. ΣΥ ΣΧ- (Σx)' 45 163 27-282 2-3.244 5-163 272 5 282 27-45 2.267 - (27)2 5 163 n : Substitute a and b in regression equation formula + 3.244 2.267 r y=

b)  Compute the standard​ error, the point estimate for

sigmaσ.

Se =

​(Round to four decimal places as​ needed.)

Answer 1

Prom given out put E= 27 5-45 Σy2> 495 +Ans Tey- 282, X 163 100 4 1rTHE Tbe regressfon eqn t PotX 10 1.907 Y-(-8244)t(226) Lat 90 Yi 49S-1x (45) 1- 0.1962 .0309 1.1908 0.1406 0.0114 3.SS7 12 A 8-091 13 12.625 14.892 15 tb9s.1 )3 1S693 90 SRer. SSROS 1- .9826 Std.error ofestmate 01-r2 (L0-9826X O.6220 Se 07889