Question: The sodium nitrate (NaNO3) solubility data in Question 11.2.3 is described nicely by the regression line y = 67.508 + 0.871x, where s = 0.959.

The sodium nitrate (NaNO3) solubility data in Question 11.2.3 is described nicely by the regression line y = 67.508 + 0.871x, where s = 0.959. Construct a 90% confidence interval for the y-intercept, β0.

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