Independent samples of the opinions of registered Republican and Democratic party members was taken concerning the weakening of the Endangered Species Act (ESA). The results are listed in the table below. Party Affiliation For Weakening ESA Against Weakening ESA Republican 38 62 Democrat 26 74 Let p1 denote the proportion of Republicans who are in favor of weakening the Endangered Species Act and p2 denote the proportion of Democrats who are in favor of weakening the Endangered Species Act. (1) Give point estimates of p1, p2, and p1 - p2. (2) Suppose the estimated standard error of the point estimate of p1 - p2 from its bootstrap distribution is 0.07. Compute a 95% confidence interval for p1 - p2 and interpret the confidence interval. What is your conclusion based on confidence interval?
Independent samples of the opinions of registered Republican and Democratic party members
was taken concerning the weakening of the Endangered Species Act (ESA). The results are listed
in the table below.
Party Affiliation For Weakening ESA Against Weakening ESA
Republican 38 62
Democrat 26 74
Let p1 denote the proportion of Republicans who are in favor of weakening the Endangered
Species Act and p2 denote the proportion of Democrats who are in favor of weakening the
Endangered Species Act.
(1) Give point estimates of p1, p2, and p1 - p2.
(2) Suppose the estimated standard error of the point estimate of p1 - p2 from its bootstrap
distribution is 0.07. Compute a 95% confidence interval for p1 - p2 and interpret the
confidence interval. What is your conclusion based on confidence interval?
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