Practice Questions on Trendlines Leave a Comment / By LearningTableau / March 10, 2016 Answer these questions using the Superstore sample data. 1. Create a scatter plot with Sales on the x-axis and Shipping Cost on the y-axis. Add a linear trend line. The equation for the trend line shows that for each additional dollar of sales, the shipping cost increases by an average of: $0.002 $.02 $46.9 $4.69 None 2. Create a trendline using the Quantity Ordered New to predict the Shipping Cost.Is the model signficant at p <= .05? Yes No None 3. Create a linear trend line using Shipping Cost to predict Unit Price. Approximately what percent of the variance in unit price is explained by the model? 3% 5% 6% 7% 70% None Be sure to click Submit Quiz to see your results! Time's up
