Question: In exercise 8 ratings data on x = the quality of the speed of execution and y = overall satisfaction with electronic trades provided the

In exercise 8 ratings data on x = the quality of the speed of execution and y = overall satisfaction with electronic trades provided the estimated regression equation y = .2046 + .9077x (AAII website, February 7, 2012). At the .05 level of significance test whether speed of execution and overall satisfaction are related. Show the ANOVA table. What is your conclusion?
In exercise The American Association of Individual Investors (AAII) On-Line Discount 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 as well as provide an overall satisfaction rating for electronic trades. Possible responses (scores) were no opinion (0), unsatisfied (l), somewhat satisfied (2), satisfied (3), and very satisfied (4). For each 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).

Years of Experience Annual Sales ($1,000s) 80 97 92 102 103 Salesperson 10 10 119 123 10 13 136

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