Below are the data for 14 US stock market brokerage firms. Do a regression of Satisfaction Electronic Trades on the other two variables.

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Exhibit 15-25
Below are the data for 14 US stock market brokerage firms. Do a regression of Satisfaction Electronic Trades on the
other two variables.
Trade
Price
Brokerage
Scottrade, Inc.
3.4
Charles Schwab
3.2
Fidelity Brokerage Services 3.1
TD Ameritrade
2.9
E*Trade Financial
2.9
(Not listed)
2.5
Vanguard Brokerage Services 2.6
USAA Brokerage Services 2.4
Thinkorswim
2.6
Wells Fargo Investments
2.3
Interactive Brokers
3.7
Zecco.com
2.5
Firstrade Securities
3.0
Banc of America Investment
Services
4.0
Speed of
Execution
3.4
3.3
3.4
3.6
3.2
3.2
3.8
3.8
2.6
2.7
4.0
2.5
3.0
1.0
Satisfaction of
Electronic Trades
3.5
3.4
3.9
3.7
2.9
2.7
2.8
3.6
2.6
2.3
4.0
2.5
4.0
2.0
Refer to Exhibit 15-25. The interpretation of the coefficient on Speed of Execution is that
It is impossible to interpret the coefficient.
a one-unit change in Speed of Execution will lead to a .73-unit increase in Trade Price when all other variables
are held constant
a one-unit change in Speed of Execution will lead to a .73-unit change in Satisfaction of Electronic Trades.
a one-unit change in Speed of Execution will lead to a .73-unit increase in Satisfaction of Electronic Trades when
all other variables are held constant
Transcribed Image Text:Exhibit 15-25 Below are the data for 14 US stock market brokerage firms. Do a regression of Satisfaction Electronic Trades on the other two variables. Trade Price Brokerage Scottrade, Inc. 3.4 Charles Schwab 3.2 Fidelity Brokerage Services 3.1 TD Ameritrade 2.9 E*Trade Financial 2.9 (Not listed) 2.5 Vanguard Brokerage Services 2.6 USAA Brokerage Services 2.4 Thinkorswim 2.6 Wells Fargo Investments 2.3 Interactive Brokers 3.7 Zecco.com 2.5 Firstrade Securities 3.0 Banc of America Investment Services 4.0 Speed of Execution 3.4 3.3 3.4 3.6 3.2 3.2 3.8 3.8 2.6 2.7 4.0 2.5 3.0 1.0 Satisfaction of Electronic Trades 3.5 3.4 3.9 3.7 2.9 2.7 2.8 3.6 2.6 2.3 4.0 2.5 4.0 2.0 Refer to Exhibit 15-25. The interpretation of the coefficient on Speed of Execution is that It is impossible to interpret the coefficient. a one-unit change in Speed of Execution will lead to a .73-unit increase in Trade Price when all other variables are held constant a one-unit change in Speed of Execution will lead to a .73-unit change in Satisfaction of Electronic Trades. a one-unit change in Speed of Execution will lead to a .73-unit increase in Satisfaction of Electronic Trades when all other variables are held constant
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