You Have Come Across Some Statistics Regarding the Average Cost

question 19

Essay

You have come across some statistics regarding the average cost of new housing in your city and a nearby city over the past few years.Write a paragraph summarizing these statistics.
$\begin{array}{|l|l|l|l|l|}\hline & \text { City A } & \text { City B } & & \\\hline & 1995 & 2005 & 1995 & 2005 \\\hline \text { MeanCost } & 177,000 & 237,000 & 325,000 & 495,000 \\\hline \text { MedianCost } & 170,000 & 224,000 & 280,000 & 321,000 \\\hline & & & & \\\end{array}$

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Definitions:

Pitch Cone

In gear design, it is the imaginary cone that represents the underlying angular surface of the teeth, where the pitch surface of an infinitely small gear would be.

Conical Surface

A surface that extends outward and away in all directions from a common point, resembling the shape of a cone.

Frustum

A truncated shape that results from cutting a pyramid or cone with a plane parallel to its base, leaving two bases, one smaller than the other.

Pitch Angle

The angle between the helix of a thread or gear on a cylindrical shaft and an imaginary line perpendicular to the shaft's axis.