Suppose TurboTax, a developer of tax preparation software, would like to determine if the median state tax refund in 2013 differs among various regions of the country. A random sample of taxpayer refunds from Maryland, California, Louisiana, and Ohio were recorded and are as follows. These data can also be found in the Excel file TurboTax.xlsx.
Perform a hypothesis test using α = 0.05 to determine if there is a difference among the median state tax refunds for taxpayers in these four states.
Answer to relevant QuestionsConsider the following ordered pairs. Calculate the Spearman rank order correlation coefficient. Using α = 0.10, perform a hypothesis test to determine if the population median is equal to 40 using the following sample information. Data Value Number of Occurrences Below 40 ........ 18 Equal to 40 ........ 2 Above ...Suppose the Institute for College Access & Success would like to determine if there is a difference in the median amount of student loan debt accrued by 2013 graduates in the states of California, Arizona, Pennsylvania, and ...Suppose the U.S. Bureau of Economic Analysis would like to determine if the median selling price of new domestic cars is less than the median price of new imported cars. A random sample of both types of cars was collected, ...Fair Isaac, the company that developed the credit score model used by most lenders today, would like to examine the relationship between the age and credit score of an individual. The following table shows the credit scores ...
Post your question