Question

Brokerage Trade Price Speed of Execution Satisfaction 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 a. Develop an estimated regression equation using trade price and speed of execution to predict overall satisfaction with the broker (to 4 decimals). Enter negative values as negative numbers, if required. ? = -.7834 + .5579 Trade Price + .7341 Speed of Execution b. Finger Lakes Investments has developed a new electronic trading system and would like to predict overall customer satisfaction assuming they can provide satisfactory levels of service levels (3) for both trade price and speed of execution. Use the estimated regression equation developed in part (a) to predict overall satisfaction level for Finger Lakes Investments if they can achieve these performance levels (to 1 decimal). 3.092 c. Develop a 95% prediction interval of overall satisfaction for Finger Lakes Investments assuming they achieve service levels of 3 for both trade price and speed of execution (to 1 decimal). Prediction interval is .5579 to .5579

          Brokerage	Trade Price	Speed of Execution	Satisfaction 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
a. Develop an estimated regression equation using trade price and speed of execution to predict overall satisfaction with the broker (to 4 decimals). Enter negative values as negative numbers, if required.
? = -.7834 + .5579 Trade Price + .7341 Speed of Execution
b. Finger Lakes Investments has developed a new electronic trading system and would like to predict overall customer satisfaction assuming they can provide satisfactory levels of service levels (3) for both trade price and speed of execution. Use the estimated regression equation developed in part (a) to predict overall satisfaction level for Finger Lakes Investments if they can achieve these performance levels (to 1 decimal).
3.092
c. Develop a 95% prediction interval of overall satisfaction for Finger Lakes Investments assuming they achieve service levels of 3 for both trade price and speed of execution (to 1 decimal).
Prediction interval is .5579 to .5579

Brokerage Trade Price Speed of Execution Satisfaction 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
a. Develop an estimated regression equation using trade price and speed of execution to predict overall satisfaction with the broker (to 4 decimals). Enter negative values as negative numbers, if required.
? = -.7834 + .5579 Trade Price + .7341 Speed of Execution
b. Finger Lakes Investments has developed a new electronic trading system and would like to predict overall customer satisfaction assuming they can provide satisfactory levels of service levels (3) for both trade price and speed of execution. Use the estimated regression equation developed in part (a) to predict overall satisfaction level for Finger Lakes Investments if they can achieve these performance levels (to 1 decimal).
3.092
c. Develop a 95% prediction interval of overall satisfaction for Finger Lakes Investments assuming they achieve service levels of 3 for both trade price and speed of execution (to 1 decimal).
Prediction interval is .5579 to .5579

Added by Nicole C.

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