When polling, in district A, 498 of 1000 agreed with Amendment A. In district B, 506 of 1000 agreed with Amendment A. Use alpha = 0.05 conduct a confidence interval for the difference of proportions between district A and district B. Use alpha =0.05.

Using the last two problems (table 2 data), interpret both the hypothesis test and confidence interval. What does each demonstrate?

Using the below table on reported anxiety and medication use, determine what the regression equation is and interpret it.  Coefficients Standard Error t Stat P-value Intercept 6.1 2.1 19.1 0.001 X Variable 1 -3.9 1.1 4.5 0.002

(d) Write the quadratic in factored form. 

Which of the following is perhaps Florida’s most heavily studied spring system (with studies dating back the 19th century)?

Springs are highly productive ecosystems because:

Identify four things you learned from Rick Kilby’s Healing Waters; and then outline two overarching strengths of the book as well as two of the volume’s more significant weaknesses.

WHEN did it become clear to most springs advocates and scientists that Florida’s springs were declining in quality?

WHO came to Florida in the 1760s and 1770s, visited several springs along the way, and wrote detailed descriptions of his observations in a 1791 book called Travels?

Nitrate concentrations in Florida springs have clearly increased over time. Which of the following is NOT a widely accepted source of excess nitrate in groundwater (above and beyond background levels)?