Chapter 6, Problem 6.25AE

Create a scatterplot (Learning Objective 3)

Melody Leigh, owner of Broadway Floral, operates a local chain of floral shops. Each shop has its own delivery van. Instead of charging a flat delivery fee, Leigh wants to set the delivery fee based on the distance driven to deliver the flowers. Leigh wants to separate the fixed and variable portions of her van operating costs so that she has a better idea of how delivery distance affects these costs. She has the following data from the past seven months:

Month	Miles Driven	Van Operating Costs
January	15,500	$5,390
February	17,400	$5,280
March	15,400	$4,960
April	16,300	$5,340
May	16,500	$5,450
June	15,200	$5,230
July	14,400	$4,680

Requirements

1. 1. Prepare a scatterplot of Broadway Floral’s volume (miles driven) and van operating costs.
2. 2. Does the data appear to contain any outliers? Explain.
3. 3. How strong a relationship is there between miles driven and van operating costs?