Problem 1: Background information The General Social Survey (GSS) has been collecting demographic, behavioral, and attit
Posted: Wed May 11, 2022 8:07 am
Problem 1: Background information The General Social Survey (GSS) has been collecting demographic, behavioral, and attitudinal information since 1972 to monitor changes within the US and to compare the US to other nations Sample data, collected from random samples of US adults, show support for capital punishment (the death penalty in 1974 and in 2018 in the two-way table below. Year Favor Oppose Total 1974 933 471 1404 2018 1385 808 2193 The question of interest is: Does this data provide evidence that the proportion of all US adults supporting capital punishment was greater in 1974 than in 2018? a) (2 points) Define the parameter of Interest for this study, Use proper notation b) (2 points) What are the null and alternative hypotheses? Use proper notation He H. c)(3 points) Calculate the best point estimate for the parameter used in this hypothesis test. Use proper notation, show your work, and round your answer to 3 decimal places
Carvainete soos Wants/30317 Undoin Problem 1 continued d) (3 points Use the provided sample data to calculate the pooled proportion. Use proper notation, show your work, and round your answer to 3 decimal places e) 3 points) Use the provided formula sheet to identify the appropriate test statistic formula. Then calculate the test statistic. Please show all of your work and round your answer to 2 decimal places
0 points Use the normal distribution and either your graphing calculator or Statkey, along with your answer from parte, to obtain the p-value. Please make a sketch of the area of the normal curve that yields your p value in the space below and round your answer to 3 decimal places p-value RI (3 points) At a significance level of 5%, what is the conclusion of this hypothesis test? Write your answer in complete sentences, given in the context of the problem.
Carvainete soos Wants/30317 Undoin Problem 1 continued d) (3 points Use the provided sample data to calculate the pooled proportion. Use proper notation, show your work, and round your answer to 3 decimal places e) 3 points) Use the provided formula sheet to identify the appropriate test statistic formula. Then calculate the test statistic. Please show all of your work and round your answer to 2 decimal places
0 points Use the normal distribution and either your graphing calculator or Statkey, along with your answer from parte, to obtain the p-value. Please make a sketch of the area of the normal curve that yields your p value in the space below and round your answer to 3 decimal places p-value RI (3 points) At a significance level of 5%, what is the conclusion of this hypothesis test? Write your answer in complete sentences, given in the context of the problem.