Two Groups of Students Were Asked to Rank the Activities $\alpha$

question 82

Essay

Two groups of students were asked to rank the activities sponsored by the Student Government Association on campus. The following show their rankings.
Determine the Spearman rank-correlation coefficient and test for a significant correlation with $\alpha$ = 0.05.

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Definitions:

Recycling

The process of converting waste materials into new products to prevent waste of potentially useful materials, reduce the consumption of fresh raw materials, and lower greenhouse gas emissions.

Environmental Concerns

Environmental concerns involve issues that affect the earth's ecosystems and the wellbeing of its inhabitants, such as pollution, biodiversity loss, climate change, and resource depletion.

Rhizofiltration

A water remediation technique that uses plants, particularly their roots, to absorb, precipitate, and concentrate contaminants from polluted water.

Diagram

An elementary sketch that presents the visual, architectural, or operational aspects of something through a schematic layout.