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

question 10

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.
$\begin{array} { l l l l l l } 51 & 54 & 64 & 68 & 72 & 74 \end{array}$
$\begin{array} { l l l l l } 76 & 83 & 94 & 94 & 99 \end{array}$

• A) 83
• B) 88.5
• C) 85.75
• D) 94

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Definitions:

Inner Cell Mass

The mass of cells inside the embryonic blastocyst, from which the embryo and eventually the fetus develop.

Endoderm

Cells of the inner cell mass of the embryo that develop into the digestive system and the lungs.

Ectoderm

Cells of the inner cell mass of the embryo that develop into the outer surface of the skin, the nails, part of the teeth, the lens of the eye, the inner ear, and the central nervous system.

Embryonic Period

The period that extends from the time the organism becomes attached to the uterus until the end of the 8th week of pregnancy, when all the major organs have taken primitive shape.