Provide an interpretation for the slope of the estimated regression equation. The slope of the estimated regression line is approximately (to decimals). So, a one unit increase in the speed of execution rating will increase the overall satisfaction rating by approximately points (to decimal). e. Suppose Scottrade, Inc. developed new software to increase their speed of execution rating. If the new software is able to increase their speed of execution rating from the current value of to the average speed of execution rating for the other brokerage firms that were surveyed, what value would you predict for the overall satisfaction rating

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