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

question 104

Multiple Choice

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

• A) +.7791
• B) -.7791
• C) +.2209
• D) -.2209

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Definitions:

Polygenic

Relating to or resulting from the influence of multiple genes, especially with regard to traits that exhibit a continuous distribution in the population.

Skin Color

The pigmentation of the skin, primarily determined by genetic inheritance influencing the amount and type of melanin produced.

Height

The measurement of someone or something from base to top or from the ground to a designated top point, expressing vertical dimension.

Blood Type AB

A human blood group characterized by the presence of both A and B antigens on the surface of red cells, making it the universal recipient type in blood transfusion.