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The American Association of Individual Investors (AAII) On-Line Discount Broker Survey polls members on their experiences with electronic trades handled by discount brokers. As part of the survey, members were asked to rate their satisfaction with the trade price and the speed of execution, as well as provide an overall satisfaction rating. Possible responses (scores) were no opinion (0), unsatisfied (1), somewhat satisfied (2), satisfied (3), and very satisfied (4). For each broker, summary scores were computed by computing a weighted average of the scores provided by each respondent. A portion the survey results follow (AAII website, February 7, 2012). Satisfaction with Satisfaction with Overall Satisfaction with Brokerage Trade Price Speed of Execution Electronic Trades Scottrade, Inc. 3.3 3.1 3.4 Charles Schwab 3.2 3.3 3.3 Fidelity Brokerage Services 3.1 3.3 4.0 TD Ameritrade 2.9 3.5 3.7 E"Trade Financial 2.8 3.2 2.9 |(Not listed) Vanguard Brokerage Services 2.4 3.2 2.7 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 3.0 Banc of America Investment Services 4.0 1.0 2.0

The American Association of Individual Investors (AAII) On-Line Discount Broker Survey polls members on their experiences with electronic trades handled by discount brokers. As part of the survey, members were asked to rate their satisfaction with the trade price and the speed of execution, as well as provide an overall satisfaction rating. Possible responses (scores) were no opinion (0), unsatisfied (1), somewhat satisfied (2), satisfied (3), and very satisfied (4). For each broker, summary scores were computed by computing a weighted average of the scores provided by each respondent. A portion the survey results follow (AAII website, February 7, 2012). Satisfaction with Satisfaction with Overall Satisfaction with Brokerage Trade Price Speed of Execution Electronic Trades Scottrade, Inc. 3.3 3.1 3.4 Charles Schwab 3.2 3.3 3.3 Fidelity Brokerage Services 3.1 3.3 4.0 TD Ameritrade 2.9 3.5 3.7 E"Trade Financial 2.8 3.2 2.9 |(Not listed) Vanguard Brokerage Services 2.4 3.2 2.7 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 3.0 Banc of America Investment Services 4.0 1.0 2.0

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 30PPS
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(a) Develop an estimated regression equation using trade price and speed of execution to predict overall satisfaction with the broker. Let x1 represent satisfaction with Trade Price. Let x2 represent satisfaction with speed of execution. If required, round your answers to four decimal places. For subtractive or negative numbers use a minus sign even if there is a + sign before the blank. (Example: -300) X1 + x2 = What is the coefficient of determination? If required, round your answers to four decimal places. Interpret the coefficient of determination. The input in the box below will not be graded, but may be reviewed and considered by your instructor. blank
Transcribed Image Text:(a) Develop an estimated regression equation using trade price and speed of execution to predict overall satisfaction with the broker. Let x1 represent satisfaction with Trade Price. Let x2 represent satisfaction with speed of execution. If required, round your answers to four decimal places. For subtractive or negative numbers use a minus sign even if there is a + sign before the blank. (Example: -300) X1 + x2 = What is the coefficient of determination? If required, round your answers to four decimal places. Interpret the coefficient of determination. The input in the box below will not be graded, but may be reviewed and considered by your instructor. blank
The American Association of Individual Investors (AAII) On-Line Discount Broker Survey polls members on their experiences with electronic trades handled by discount brokers. As part of the survey, members were asked to rate their satisfaction with the trade price and the speed of execution, as well as provide an overall satisfaction rating. Possible responses (scores) were no opinion (0), unsatisfied (1), somewhat satisfied (2), satisfied (3), and very satisfied (4). For each broker, summary scores were computed by computing a weighted average of the scores provided by each respondent. A portion the survey results follow (AAII website, February 7, 2012). Satisfaction with Satisfaction with Overall Satisfaction with Brokerage Trade Price Speed of Execution Electronic Trades Scottrade, Inc. Charles Schwab 3.3 3.1 3.4 3.2 3.3 3.3 Fidelity Brokerage Services 3.1 3.3 4.0 TD Ameritrade 2.9 3.5 3.7 E*Trade Financial 2.8 3.2 2.9 (Not listed) 2.4 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 3.0 Banc of America Investment Services 4.0 1.0 2.0
Transcribed Image Text:The American Association of Individual Investors (AAII) On-Line Discount Broker Survey polls members on their experiences with electronic trades handled by discount brokers. As part of the survey, members were asked to rate their satisfaction with the trade price and the speed of execution, as well as provide an overall satisfaction rating. Possible responses (scores) were no opinion (0), unsatisfied (1), somewhat satisfied (2), satisfied (3), and very satisfied (4). For each broker, summary scores were computed by computing a weighted average of the scores provided by each respondent. A portion the survey results follow (AAII website, February 7, 2012). Satisfaction with Satisfaction with Overall Satisfaction with Brokerage Trade Price Speed of Execution Electronic Trades Scottrade, Inc. Charles Schwab 3.3 3.1 3.4 3.2 3.3 3.3 Fidelity Brokerage Services 3.1 3.3 4.0 TD Ameritrade 2.9 3.5 3.7 E*Trade Financial 2.8 3.2 2.9 (Not listed) 2.4 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 3.0 Banc of America Investment Services 4.0 1.0 2.0
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