In the table below ratings data on x = the quality of the speed of execution and y = overall satisfaction with electronic trades provided the estimated regression equation âŷ = 0.1093+0.9304x (AAII website). Brokerage Speed Satisfaction Scottrade, Inc. 3.6 3.4 Charles Schwab 2.5 2.0 Fidelity Brokerage Services 3.4 2.9 TD Ameritrade 3.4 3.4 E*Trade Financial 3.0 3.2 Vanguard Brokerage Services 2.9 3.4 USAA Brokerage Services 2.9 2.5 Thinkorswim 3.7 3.3 Wells Fargo Investments 2.4 2.3 Interactive Brokers 2.9 3.1 Zecco.com 3.8 3.8 At the 0.05 level of significance, test whether speed of execution and overall satisfaction are related. Show the ANOVA table. What is your conclusion? Source Sum of Squares Degrees Mean Square F p-value of Variation (to 4 decimals) of Freedom (to 4 decimals) (to 2 decimals) (to 4 decimals) Regression Error Total
In the table below ratings data on x = the quality of the speed of execution and y = overall satisfaction with electronic trades provided the estimated regression equation âŷ = 0.1093+0.9304x (AAII website). Brokerage Speed Satisfaction Scottrade, Inc. 3.6 3.4 Charles Schwab 2.5 2.0 Fidelity Brokerage Services 3.4 2.9 TD Ameritrade 3.4 3.4 E*Trade Financial 3.0 3.2 Vanguard Brokerage Services 2.9 3.4 USAA Brokerage Services 2.9 2.5 Thinkorswim 3.7 3.3 Wells Fargo Investments 2.4 2.3 Interactive Brokers 2.9 3.1 Zecco.com 3.8 3.8 At the 0.05 level of significance, test whether speed of execution and overall satisfaction are related. Show the ANOVA table. What is your conclusion? Source Sum of Squares Degrees Mean Square F p-value of Variation (to 4 decimals) of Freedom (to 4 decimals) (to 2 decimals) (to 4 decimals) Regression Error Total
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 2AGP
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Chap 14.5 Q4
Transcribed Image Text:In the table below ratings data on x = the quality of the speed of execution and y = overall satisfaction with electronic trades provided the estimated
regression equation ŷ = 0.1093 + 0.9304x (AAII website).
Brokerage
Speed Satisfaction
Scottrade, Inc.
3.6
3.4
Charles Schwab
2.5
2.0
Fidelity Brokerage Services
3.4
2.9
TD Ameritrade
3.4
3.4
E*Trade Financial
3.0
3.2
Vanguard Brokerage Services
2.9
3.4
USAA Brokerage Services
2.9
2.5
Thinkorswim
3.7
3.3
Wells Fargo Investments
2.4
2.3
Interactive Brokers
2.9
3.1
Zecco.com
3.8
3.8
At the 0.05 level of significance, test whether speed of execution and overall satisfaction are related. Show the ANOVA table. What is your conclusion?
Source
Sum of Squares
Degrees
Mean Square
F
p-value
of Variation
(to 4 decimals)
of Freedom (to 4 decimals) (to 2 decimals) (to 4 decimals)
Regression
Error
Total
P-value is less than 0.01
We can
reject Ho : B, = 0, we conclude that speed of execution and overall satisfaction
related.
%3D
are
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