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:

Probability

The quantification of the chance of an event happening, represented as a numerical value ranging from 0 to 1.

Test Statistic

A standardized value that is calculated from sample data during a hypothesis test. It is used to determine whether to reject the null hypothesis.

Null Hypotheses

A statement that assumes there is no significant difference or effect in a population, and any observed difference is due to sampling or experimental error.

p-value

A measure used in statistical hypothesis testing to determine the significance of the observed data under a specific hypothesis, often testing if an effect exists.