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