The Data Shows the Roundtrip Mileage That 43 Randomly Selected

question 55

Essay

The data shows the roundtrip mileage that 43 randomly selected students drive to school each day. Construct a frequency polygon. Applying a loose interpretation of the requirements for a normal distribution, do the mileages appear to be normally distributed? Why or why not? $$\begin{array} { c | c } \text { Miles } & \text { Frequency } \\\hline 10 - 14 & 0 \\15 - 19 & 6 \\20 - 24 & 9 \\25 - 29 & 21 \\30 - 34 & 7\end{array}$$

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Definitions:

Colourless Gas

A gas that does not have any color visible to the human eye, which can be natural or man-made.

Thermal Inversion Layer

A weather phenomenon where a layer of warm air traps pollution and cooler air beneath it, often leading to poor air quality.

Pollutants

Substances introduced into the environment that cause harm or discomfort to the ecosystem or living organisms.

Nitrogen Dioxide

A toxic, reddish-brown gas that is part of the nitrogen oxides group, contributing to air pollution and respiratory issues.