c. Find a 95% confidence interval for the true slope of the line. Interpret the result. Conduct a test (at a=0.05) to determine if the true slope of the line differs from 0.
Apparent Porosity (%) (y) Mean Pore Diameter (x) 18.8 12 18.3 9.75 16.63 7.35 6.9 5.35 17.1 10.95 20.4 16.8
