s 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). Brokerage Scottrade, Inc. Charles Schwab Fidelity Brokerage Services TD Ameritrade Speed 3.9 3.7 3.4 3.6 Question 4 of 4 Satisfaction 3.8 3.6 3.7 3.7
s 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). Brokerage Scottrade, Inc. Charles Schwab Fidelity Brokerage Services TD Ameritrade Speed 3.9 3.7 3.4 3.6 Question 4 of 4 Satisfaction 3.8 3.6 3.7 3.7
Chapter9: Sequences, Probability And Counting Theory
Section9.7: Probability
Problem 1SE: What term is used to express the likelihood of an event occurring? Are there restrictions on its...
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Statistic question. Please help. Part 1.
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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).
Brokerage
Scottrade, Inc.
Charles Schwab
Fidelity Brokerage Services
TD Ameritrade
E*Trade Financial
Vanguard Brokerage Services
USAA Brokerage Services
Thinkorswim
Wells Fargo Investments
Interactive Brokers
Zecco.com
a. Select a scatter diagram for these data with the speed of execution as the independent variable.
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Satisfaction
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