Find the Range,median,mean,and Variance for the Following Sample Data Range = ____________________

question 117

Short Answer

Find the range,median,mean,and variance for the following sample data: $$\begin{array} { | c | c | } \hline \text { Magazine } & \text { Yearly Rates } \\\hline \text { Americana } & 9.95 \\\text { Field \& Stream } & 7.94 \\\text { Guns \& Ammo } & 8.97 \\\text { Jet } & 13.95 \\\text { Motor Trend } & 7.97 \\\text { Parents } & 9.95 \\\text { Teen } & 6.95 \\\text { PC } & 8.97 \\\text { Ski } & 6.97 \\\text { People } & 27.88 \\\text { Playboy } & 19.00 \\\text { Skin Diver } & 6.97 \\\text { Sport } & 7.97 \\\text { Total Fitness } & 9.60 \\\text { Cycle } & 6.99 \\\text { Money } & 19.96 \\\text { Rolling Stone } & 12.98 \\\text { Golf } & 8.97 \\\hline\end{array}$$ Range = ____________________.
Median = ____________________.
$\bar { x }$ = ____________________.
s² = ____________________.

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Definitions:

Alternate Form Reliability

A measure of consistency where different versions of a test produce similar results, indicating the test’s reliability over time.

Concurrent Validity

A measure of how well a particular test correlates with a previously validated measure taken at the same time.

Construct Validity

The extent to which a test or measurement tool accurately measures the theoretical construct it is intended to measure.

Content Validity

The extent to which a test measures all aspects of the concept it intends to measure.