When Finding Percentiles, If the Locator L Is Not a Whole

question 121

Multiple Choice

When finding percentiles, if the locator L is not a whole number, one procedure is to interpolate so that a locator of 23.75, for example, leads to a value that is 3/4 of the way between the 23rd and 24th scores. Use this method
Of interpolation to find P75 for the set of test scores below. $$\begin{array} { l l l l l l } 51 & 54 & 64 & 68 & 72 & 74 \\76 & 83 & 94 & 94 & 99 &\end{array}$$

• A) 88.5
• B) 94
• C) 83
• D) 85.75

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Definitions:

Blood Fluke

A parasitic flatworm, belonging to the genus Schistosoma, that lives in the blood vessels of humans and animals and causes schistosomiasis.

Proboscis

A lengthy extension from an animal's head, especially seen in insects, utilized for nourishment or perception.

Nemerteans

A phylum of invertebrate animals, also known as ribbon worms, characterized by their long, slender bodies and a proboscis used for hunting.

Lophophore

A unique feeding structure bearing ciliated tentacles, found in certain invertebrate phyla.