The Following Table Presents the Heights (In Inches) of a Sample

question 9

Multiple Choice

The following table presents the heights (in inches) of a sample of college basketball play.
$\begin{array} { c c } \hline \text { Height (in.) } & \text { Frequency } \\\hline 68 - 71 & 18 \\72 - 75 & 49 \\76 - 79 & 66 \\80 - 83 & 48 \\84 - 87 & 10 \\\hline\end{array}$
Considering the data to be a population, approximate the standard deviation of the heights.

• A)77.6
• B)4
• C)17.4
• D)4.2

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Definitions:

Time Series

A sequence of data points collected or recorded at successive points in time, often analyzed to identify trends or patterns.

Overall Tendency

A measure used to summarize or describe the central point of a data set, often represented by the mean, median, or mode.

Centered Moving Averages

A method applied in analyzing time series to minimize short-term variations and emphasize longer-term trends or cycles.

Weekly iPhones Sales

The quantity of iPhones sold in a single week, a specific measure of sales performance.