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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. Do these data allow us to conclude at the 10% significance level that the amount of precipitation and the number of accidents are linearly related?
Regression Line
A line of best fit through a set of data points in regression analysis, used to model the relationship between two variables.
Dependent Variable
The component in an experiment or research that is foreseen to shift following changes in the independent variable.
Independent Variable
A variable often denoted as x, whose variation does not depend on that of another.
Correlation Coefficient
A statistical measure that calculates the strength and direction of the linear relationship between two variables.
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