QUIZ-6-Answer - QUIZ #6 ENGR 3723 PROBLEM 1 (85 points)...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
QUIZ #6 ENGR 3723 PROBLEM 1 (85 points) Consider 9 . 40 4 2 . 27 3 6 . 13 2 7 . 7 1 1 . 2 0 i i y x Obtain the A) (25 points) linear regression ) ( 1 0 x a a y + = ANSWER: + = + = = = = = = i i i i i i i i i i i i i i i r i i i r i i i r x a x a x y x a na y Then x x a a y a S x a a y a S x a a y S 2 1 0 1 0 1 0 1 1 0 0 2 1 0 0 ) ( 2 0 ) ( 2 ) ( Solve for 0 a and 1 a
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
B) (60 points) second degree polynomial regression ANSWER: ∑∑ ∀∀ + + = + + = + + = = = = = = = = ii i i i i i i i i i i i i i i i i i i i i i i i i i r i i i i i r i i i i r i i i i r x a x a x a x y x a x a x a x y x a x a na y Then x x a x a a y a S x x a x a a y a S x a x a a y a S x a x a a y S 4 2 3 1 2 0 2 3 2 2 1 0 2 2 1 0 2 2 2 1 0 2 2 2 1 0 1 2 2 1 0 0 2 2 2 1 0 0 ) ( 2 0 ) ( 2 0 ) ( 2 ) ( Solve for
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 08/31/2011 for the course ENGR 3723 taught by Professor Staff during the Summer '11 term at Oklahoma State.

Page1 / 2

QUIZ-6-Answer - QUIZ #6 ENGR 3723 PROBLEM 1 (85 points)...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online