A researcher wants to determine if the distribution of races hired at government agencies is reflective of the overall U.S.population demographics.The researcher uses census data on demographics to obtain proportions for different races.The following table shows these proportions and the number of each race hired for a particular government agency. a.Set up the competing hypotheses to test if at least one proportion is different from the population demographics.
b.Calculate the value of the test statistic and determine the degrees of freedom.
c.Compute the p-value.Does the evidence suggest at least one proportion is different from the population demographics at the 1% significance level?

Question

A researcher wants to determine if the distribution of races hired at government agencies is reflective of the overall U.S.population demographics.The researcher uses census data on demographics to obtain proportions for different races.The following table shows these proportions and the number of each race hired for a particular government agency.  a.Set up the competing hypotheses to test if at least one proportion is different from the population demographics.
b.Calculate the value of the test statistic and determine the degrees of freedom.
c.Compute the p-value.Does the evidence suggest at least one proportion is different from the population demographics at the 1% significance level?

Quizplus · Accepted Answer

The Answer of A researcher wants to determine if the distribution of races hired at government agencies is reflective of the overall U.S.population demographics.The researcher uses census data on demographics to obtain proportions for different races.The following table shows these proportions and the number of each race hired for a particular government agency.  a.Set up the competing hypotheses to test if at least one proportion is different from the population demographics.
b.Calculate the value of the test statistic and determine the degrees of freedom.
c.Compute the p-value.Does the evidence suggest at least one proportion is different from the population demographics at the 1% significance level?

A Researcher Wants to Determine If the Distribution of Races