The Data Below Consists of the Heights (In Inches) of 20

Multiple Choice

The data below consists of the heights (in inches) of 20 randomly selected women. Find the 10% trimmed mean of the data set. The 10% trimmed mean is found by arranging the data in order, deleting the bottom 10% of the values and the top 10% of the values and then calculating the mean of the remaining values.
$$\begin{array} { l l l l l l l l l l } 65 & 65 & 63 & 61 & 63 & 67 & 70 & 67 & 62 & 63 \\61 & 66 & 75 & 67 & 60 & 59 & 64 & 68 & 65 & 71\end{array}$$

A) 65.1 in.
B) 64.9 in.
C) 64.8 in.
D) 51.9 in.