For a Given Set of 12 Ranked Data Values,the Sum

question 16

Multiple Choice

For a given set of 12 ranked data values,the sum of the squared differences is 63.18. What is Spearman's coefficient of rank correlation for the data?

• A)+0.7791
• B)−0.7791
• C)+0.2209
• D)−0.2209

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Definitions:

Pinchers

Also known as pincers, these are tools or parts of certain animals shaped to grip, compress, or cut objects.

Auricles

External parts of the ear outside the head, also known as pinnae, or the earlike appendages found in some animals and plants.

Organism

A living entity capable of growing, reproducing, and maintaining various biological processes.

Protonephridia

The flame-cell excretory organs of flatworms and some other simple invertebrates.