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

question 83

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.

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