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KhaRNate
KhaRNate
07.05.2021 • 
Mathematics

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

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