In a study of household recycling practices, 30 randomly selected households had their recycling output measured in both pounds of paper waste and pounds of plastic waste. Exam Data Set 6 contains the two measurements for each household. Use the data to construct a 95% confidence interval estimate of the difference between the mean weight of paper waste for a household and its mean weight of plastic waste. Use paper waste as Sample 1_ Round each of your answers to three decimal places; add trailing zeros as needed. The 95% confidence interval estimate is Ib < U1 U2 < I b.