Does there appear to be a significant linear relationship between units sold and: a) average price, b) number of natural stores and c) number of fitness centers? Explain why or why not.

Units Sold by Average Retail Price Per Store Average Units Sold by Regional Sales Rep Average Units Sold by End Cap Promotion 1000- 300- 600 - 750- 200- 1400 Units Sold 500- avg_units_sold avg_units_sold 100- 1200 250- 0- 0- 0- -O Retail Price Sales Rep End Cap Average Units Sold by Demo during Current Average Units Sold by Demo During Last 1 Average Units Sold by Demo During Last 1 400- 300- 300- 300- 200- 200 - avg_units_sold 200- avg_units_sold avg_units_sold 100- 100- 100 0- 0- 0 1 o o Demo Demo 1to3 Demo4to5 Units Sold by Number of Natural Retailers w Units Sold by Number of Fitness Centers w/in 5 Miles 1000- 1000 - 750 - 750 - 1 Units Sold 500- Units Sold 500- 250- 250- 0- 0- O-O -O o 4 5 Number Natural Retailers Number Fitness Centers Units Sold by Average Retail Price Per Store Average Units Sold by Regional Sales Rep Average Units Sold by End Cap Promotion 1000- 300- 600 - 750- 200- 1400 Units Sold 500- avg_units_sold avg_units_sold 100- 1200 250- 0- 0- 0- -O Retail Price Sales Rep End Cap Average Units Sold by Demo during Current Average Units Sold by Demo During Last 1 Average Units Sold by Demo During Last 1 400- 300- 300- 300- 200- 200 - avg_units_sold 200- avg_units_sold avg_units_sold 100- 100- 100 0- 0- 0 1 o o Demo Demo 1to3 Demo4to5 Units Sold by Number of Natural Retailers w Units Sold by Number of Fitness Centers w/in 5 Miles 1000- 1000 - 750 - 750 - 1 Units Sold 500- Units Sold 500- 250- 250- 0- 0- O-O -O o 4 5 Number Natural Retailers Number Fitness Centers