A Statistician Investigating the Relationship Between the Amount of Precipitation

question 175

Essay

A statistician investigating the relationship between the amount of precipitation (in inches) and the number of car accidents gathered data for 10 randomly selected days. The results are presented below. $$\begin{array} { | c | c | c | } \hline \text { Day } & \text { Precipitation } & \text { Number of accidents } \\\hline 1 & 0.05 & 5 \\\hline 2 & 0.12 & 6 \\\hline 3 & 0.05 & 2 \\\hline 4 & 0.08 & 4 \\\hline 5 & 0.10 & 8 \\\hline 6 & 0.35 & 14 \\\hline 7 & 0.15 & 7 \\\hline 8 & 0.30 & 13 \\\hline 9 & 0.10 & 7 \\\hline 10 & 0.20 & 10 \\\hline\end{array}$$ Find the least squares regression line.

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Definitions:

Stethoscope

A stethoscope is a medical device used by healthcare professionals to listen to internal sounds of the body, such as heartbeats and lung sounds.

X-Ray Machine

A device used in radiography to create images of the body's internal structures using electromagnetic radiation.

Xiphoid Process

The smallest and lowermost part of the sternum, cartilaginous in young individuals but ossified in adults.

Bony Feature

A characteristic or distinct aspect of the skeletal system, often referring to landmarks or projections on bones.