A shipping company believes there is a linear association between the weight of packages shipped and the cost. The following table shows the weight (in pounds) and cost (in dollars) of the last seven packages shipped. 
The Spearman rank correlation coefficient between weight and cost is ________.
Definitions:
Noncyclic Pathways
Metabolic pathways that do not recycle their starting molecule, leading to the production of end products.
Hydrogen Ions
Positively charged ions (H+) that are formed when a hydrogen atom loses its electron, often used to quantify the acidity or alkalinity (pH) of solutions.
Thylakoid Compartment
A structure within chloroplasts of plant cells that contains the machinery for photosynthesis.
Chlorophyll A
A key photosynthetic pigment found in plants, algae, and cyanobacteria, responsible for the green color and vital for capturing light energy to produce food.
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