Question: The following table shows the weight of randomly selected packages
The following table shows the weight of randomly selected packages shipped by FedEx, UPS, and DHL. These data can also be found in the Excel file package weight. xlsx.
Using α = 0.05, perform a hypothesis test to determine if there is a difference in the median package weights shipped by the three companies.
Answer to relevant QuestionsUsing the 2k > n rule, determine the number of classes needed for the following data set sizes. a. n = 100 b. n = 300 c. n = 1,000 d. n = 2,000 The following table shows the breakdown of gasoline prices in terms of its components. Component Percentage Crude oil .......... 60.9 Taxes .......... 15.1 Refining .......... 13.7 Distribution and marketing ...Suppose the Graduate Management Admission Council (GMAC) would like to determine if the median starting salary for MBA students graduating from two year programs is different than the median starting salary for MBA students ...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 ...A manufacturing company conducted a safety awareness program at 10 different production facilities. The following data represent the number of man hours lost over a one month period at each facility before and after the ...
Post your question