The American Association of Individual Investors (AAII) On-Line Discount Broker Survey polls members on their experiences with discount brokers. As part of the survey, members were asked to rate the quality of the speed of execution with their broker as well as provide an overall satisfaction rating for electronic trades. 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 calculating a weighted average of the scores provided by each respondent. A portion of the survey results follow (AAII website, February 7, 2012). Satisfaction a. Select a scatter diagram for these data with the speed of execution as the independent variable. A. B. 4.5 3.5- 3- 2.5 2.5 3 4 3.5 Speed of Execution 4.5 Satisfaction 4.5- 3.5- 3- Brokerage Scottrade, Inc. Charles Schwab Fidelity Brokerage Services TD Ameritrade 2.5 E*Trade Financial Vanguard Brokerage Services USAA Brokerage Services Thinkorswim Wells Fargo Investments Interactive Brokers Zecco.com 2.5 3 3.5 4 Speed of Execution Speed 2.4 2.8 3.9 3.3 4.0 2.5 3.3 3.8 3.8 2.6 4.0 4.5 Satisfaction 2.4 3.3 3.9 3.0 3.7 2.4 2.9 3.9 3.3 2.2 3.8
The American Association of Individual Investors (AAII) On-Line Discount Broker Survey polls members on their experiences with discount brokers. As part of the survey, members were asked to rate the quality of the speed of execution with their broker as well as provide an overall satisfaction rating for electronic trades. 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 calculating a weighted average of the scores provided by each respondent. A portion of the survey results follow (AAII website, February 7, 2012). Satisfaction a. Select a scatter diagram for these data with the speed of execution as the independent variable. A. B. 4.5 3.5- 3- 2.5 2.5 3 4 3.5 Speed of Execution 4.5 Satisfaction 4.5- 3.5- 3- Brokerage Scottrade, Inc. Charles Schwab Fidelity Brokerage Services TD Ameritrade 2.5 E*Trade Financial Vanguard Brokerage Services USAA Brokerage Services Thinkorswim Wells Fargo Investments Interactive Brokers Zecco.com 2.5 3 3.5 4 Speed of Execution Speed 2.4 2.8 3.9 3.3 4.0 2.5 3.3 3.8 3.8 2.6 4.0 4.5 Satisfaction 2.4 3.3 3.9 3.0 3.7 2.4 2.9 3.9 3.3 2.2 3.8
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.2: Representing Data
Problem 22PFA
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