Question: An industry study was recently conducted in which the sample correlation between units sold and marketing expenses was 0.57. The sample size for the study

An industry study was recently conducted in which the sample correlation between units sold and marketing expenses was 0.57. The sample size for the study included 15 companies. Based on the sample results, test to determine whether there is a significant positive correlation between these two variables. Use an α = 0.05.

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