Using data from the Current Population Survey,you estimate the following relationship between average hourly earnings (ahe)and the number of years of education (educ): 
= -4.58 + 1.71 educ
The heteroskedasticity-robust standard error on the slope is (0.03).Calculate the 95% confidence interval for the slope.Repeat the exercise using the 90% and then the 99% confidence interval.Can you reject the null hypothesis that the slope coefficient is zero in the population?
Definitions:
Shape
The external form or appearance of an object or figure, determined by its outline or surface.
Color
A characteristic of visual perception that comes from the light they emit or reflect, defined by qualities such as hue, saturation, and brightness.
Gate Control Theory
A theory proposing that pain signals passing through the nervous system can be regulated or blocked by gates in the spinal cord, influencing the perception of pain.
Sickle Cell Crisis
A painful episode that may occur in people who have sickle cell anemia, arising when sickled red blood cells block blood flow through tiny blood vessels.
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