Study Guides (251,080)
CA (122,659)
UTM (5,090)
STA (25)
STA221H5 (4)
Midterm

# STA221H5 Midterm: Test 2 notes chapter 12.1-12.7 complete Premium

4 Pages
22 Views

Department
Statistics
Course Code
STA221H5
Professor
Olga Fraser

This preview shows page 1. Sign up to view the full 4 pages of the document.
Description
First order model in Five Quantitative Independent variables Bu represents the slope of the line relating y to x When all the other X's are hel cl ixed Estimator of 62 for a multne regress on Model WHh k Independent variables SS SS n- of esthmated B parameters n CK +I) confidence interval tor B Parameters n- ckti) degrees of freedom Test for individual parameters -Test statistic tc Bu SBI Relechon Region P Value t distribution based on n lydf valu ng Overall Model Un f you fail to re lect Ho ere are several conclusions I. There is no relationship een y & n. A straight- une Yelahonship between y XL ex st s 3, A relationship between y & exists out IS more complex than a straight ne relationship Muhple coefcenH of deerminoton a Ra IS defined as SSE ASS SSE explained variabl Total variabl ty SSYYT SSYYT Adlusted ple coefficient of determination (n-l) First order model in Five Quantitative Independent variables Bu represents the slope of the line relating y to x When all the other X's are hel cl ixed Estimator of 62 for a multne regress on Model WHh k Independent variables SS SS n- of esthmated B parameters n CK +I) confidence interval tor B Parameters n- ckti) degrees of freedom Test for individual parameters -Test statistic tc Bu SBI Relechon Region P Value t distribution based on n lydf valu ng Overall Model Un f you fail to re lect Ho ere are several conclusions I. There is no relationship een y & n. A straight- une Yelahonship between y XL ex st s 3, A relationship between y & exists out IS more complex than a straight ne relationship Muhple coefcenH of deerminoton a Ra IS defined as SSE ASS SSE explained variabl Total variabl ty SSYYT SSYYT Adlusted ple coefficient of determination (n-l)▯▯▯▯▯▯▯▯▯▯▯▯▯▯ ▯▯▯ ▯▯▯▯▯▯▯▯▯▯▯▯▯▯▯▯▯▯▯▯ ▯▯▯NOTE: a SRR Test P (ssyy SSE K mean squarc (Node mean square Cerror) R2/K Reyechon Region: E F F, s based on k numerator & M-CK -I denomincitor degrees of freedom P (FSEC) -value Interachon Models: Interachon model with 2 quantahve variables CE1 +Bax3) en the change in tly) every one-unit Increase in x holding X2 fixed B2 t Bax represents the change in Ely) for eveN one-unit incrase in X2 holding XI fixe An Interacu Ion model is appropriate the linea r r
More Less
Subscribers Only

Only page 1 are available for preview. Some parts have been intentionally blurred.

Unlock Document
Subscribers Only

Unlock to view full version

Unlock Document
Subscribers Only
Notes
Practice
Earn
Me

OR

Don't have an account?

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Join to view

OR

By registering, I agree to the Terms and Privacy Policies
Just a few more details

So we can recommend you notes for your school.