Using the data provided, x = the quality of the speed of execution and y = overall satisfaction with the electronic trades provided the estimated regression equation ? = .2046 + .9077x. At the 0.05 level of significance, test whether the speed of execution and overall satisfaction are related. Show the ANOVA table. What is your conclusion?
|
Brokerage
|
Speed
|
Satisfaction
|
|
Scottrade, Inc.
|
3.4
|
3.5
|
|
Charles Schwab
|
3.3
|
3.4
|
|
Fidelity Brokerage Services
|
3.4
|
3.9
|
|
TD Ameritrade
|
3.6
|
3.7
|
|
E*Trade Financial
|
3.2
|
2.9
|
|
Vanguard Brokerage Services
|
3.8
|
2.8
|
|
USAA Brokerage Services
|
3.8
|
3.6
|
|
Thinkorswim
|
2.6
|
2.6
|
|
Wells Fargo Investments
|
2.7
|
2.3
|
|
Interactive Brokers
|
4.0
|
4.0
|
|
Zecco.com
|
2.5
|
2.5
|