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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:

2. Create a trendline using the Quantity Ordered New to predict the Shipping Cost.Is the model signficant at p <= .05?

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?