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 = 0.3402 + 0.8922x. Brokerage Speed Satisfaction Scottrade, Inc. 3.5 3.4 Charles Schwab 3.0 3.1 Fidelity Brokerage Services 3.3 3.2 TD Ameritrade 3.6 3.5 E*Trade Financial 3.4 3.7 Vanguard Brokerage Services 3.8 3.6 USAA Brokerage Services 3.3 2.9 Thinkorswim 3.1 3.6 Wells Fargo Investments 2.4 2.4 Interactive Brokers 2.6 2.2 Zecco.com 2.7 3.1
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 = 0.3402 + 0.8922x. Brokerage Speed Satisfaction Scottrade, Inc. 3.5 3.4 Charles Schwab 3.0 3.1 Fidelity Brokerage Services 3.3 3.2 TD Ameritrade 3.6 3.5 E*Trade Financial 3.4 3.7 Vanguard Brokerage Services 3.8 3.6 USAA Brokerage Services 3.3 2.9 Thinkorswim 3.1 3.6 Wells Fargo Investments 2.4 2.4 Interactive Brokers 2.6 2.2 Zecco.com 2.7 3.1
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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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 = 0.3402 +0.8922x.
Brokerage
Speed Satisfaction
Scottrade, Inc.
3.5
3.4
Charles Schwab
3.0
3.1
Fidelity Brokerage Services
3.3
3.2
TD Ameritrade
3.6
3.5
E*Trade Financial
3.4
3.7
Vanguard Brokerage Services
3.8
3.6
USAA Brokerage Services
3.3
2.9
Thinkorswim
3.1
3.6
Wells Fargo Investments
2.4
2.4
Interactive Brokers
2.6
2.2
Zecco.com
2.7
3.1
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
(to 2 decimals)
of Variation
(to 4 decimals)
of Freedom
(to 4 decimals)
Regression
Error
Total
P-value is - Select your answer -
We
Select your answer - V reject Ho : B1 = 0, we conclude that speed of execution and overall satisfaction
Select your answer - V related.
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