Question: H R Block a tax preparation company believes that the
H& R Block, a tax preparation company, believes that the median tax refund for 2014 was greater than $ 3,000. To test this belief, the following random sample of 2014 re-funds was collected. These data can also be found in the Excel file H& R Block.xlsx.
Using α = 0.05, perform a hypothesis test to determine if H& R Block’s belief is supported by this sample.
Answer to relevant QuestionsThe following table shows the number of graduating students in 2012 and 2013 with various majors at Sussex College. With the goal of comparing the number of graduating students from 2012 and 2013 for each major, construct a ...Construct a stem and leaf display for the following data, which also can be found in the Excel file Prob 2- 23 data.xlsx The following sample data show, in square feet, the size of newly constructed single homes in 2005 versus 2013. These data can also be found in the Excel file new construction.xlsx. Using α = 0.05, perform a hypothesis test ...The following data represent the math SAT scores for a random sample of seniors from three different high schools. These data can also be found in the Excel file SAT.xlsx. Using α = 0.05, perform a hypothesis test to ...Suppose Starbucks would like to determine if the median age of its customers is 42. The ages of 50 randomly sampled customers were recorded in the following table. Customer’s Age Number of Customers Below 42 ...
Post your question