30.6+8x1. For this estimated regression equation T=1000 and SSE=500. E whether x1 is significant.(Fa=4.24) ppose that variables x2 and x3 are added to the del and the following regression equation is ained.y=21+3.6x1+15.7x2-9.3x3.For imated regression equation SST=1000 and this E=80. Use F test to determine whether x2 and x3

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.6: Regression And Median-fit Lines
Problem 17HP
icon
Related questions
icon
Concept explainers
Question
In
a
regression
analysis
involving
27
observations,the following estimated regression
equation was developed.
y=30.6+8x1. For this estimated regression equation
SST=1000 and SSE=500.
test whether x1 is significant.(Fa=4.24)
Suppose that variables x2 and x3 are added to the
model and the following regression equation is
obtained.y=21+3.6x1+15.7x2-9.3x3.For
estimated regression equation SST=1000 and
this
SSE=80.
(2)Use F test to determine whether x2 and x3
contribute significantly to the model.(Fa=3.42)
Transcribed Image Text:In a regression analysis involving 27 observations,the following estimated regression equation was developed. y=30.6+8x1. For this estimated regression equation SST=1000 and SSE=500. test whether x1 is significant.(Fa=4.24) Suppose that variables x2 and x3 are added to the model and the following regression equation is obtained.y=21+3.6x1+15.7x2-9.3x3.For estimated regression equation SST=1000 and this SSE=80. (2)Use F test to determine whether x2 and x3 contribute significantly to the model.(Fa=3.42)
Expert Solution
steps

Step by step

Solved in 2 steps

Blurred answer
Knowledge Booster
Correlation, Regression, and Association
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.
Similar questions
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
College Algebra
College Algebra
Algebra
ISBN:
9781938168383
Author:
Jay Abramson
Publisher:
OpenStax
College Algebra
College Algebra
Algebra
ISBN:
9781337282291
Author:
Ron Larson
Publisher:
Cengage Learning
Trigonometry (MindTap Course List)
Trigonometry (MindTap Course List)
Trigonometry
ISBN:
9781305652224
Author:
Charles P. McKeague, Mark D. Turner
Publisher:
Cengage Learning
Functions and Change: A Modeling Approach to Coll…
Functions and Change: A Modeling Approach to Coll…
Algebra
ISBN:
9781337111348
Author:
Bruce Crauder, Benny Evans, Alan Noell
Publisher:
Cengage Learning
Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage