A Statistician Investigating the Relationship Between the Amount of Precipitation

question 177

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:

Operating

Refers to the day-to-day activities involved in running a business that are essential for generating revenue.

Financing

The process of providing funds for business activities, making purchases, or investing, including obtaining loans or issuing stocks.

Investing

Assigning financial resources with the aim of realizing a return or gaining profits.

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The act of buying shares in a company, either through a stock exchange or directly from the company.