week 4 quiz - Week Four: Regression Analysis in Research...

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Week Four: Regression Analysis in Research Objective: Interpret the correlation coefficient. 1. Jones Trucking Company of St. Louis ships goods from their warehouses throughout the Midwest. The various delivery trips cover hundreds of miles and can take several days. The business manager wants to determine if a relationship exist between the time that it takes for a delivery and the distance traveled. To determine the relationship the manager randomly selected twenty shipments from last month’s deliveries. The data was analyzed by performing a regression analysis. The coefficient of correlation value was 0.695. This indicates: a. The data presents an unclear picture regarding a relationship b. There is an inverse relationship between the two variables c. Nearly fifty percent of the variation is explained by this positive relationship d. Nearly seventy percent of the variation is explained by this positive relationship Objective: Perform a linear regression. 2. Metro Advertising is planning a new marketing campaign for the fall. The owner was interested in determining the relationship between how much company ABC spends with Metro and the resulting
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week 4 quiz - Week Four: Regression Analysis in Research...

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