A car rental company wants to compare customer satisfaction between three rental sites. Each customer is asked to grade their experience by assigning a grade A through F. Are there differences between the three sites? Determine the degree of freedom for the Kruskal Wallis Test. Give the exact value. 

Which of the following would be smoother, a 70 day or a 120 day moving average?

Honor Pledge: I will not use any unauthorized help or materials to complete this exam. This includes but is not limited to, discussions with other students, books, notes or information from any type of electronic and/or internet connected device other than a scientific or financial calculator, one blank sheet of scratch paper and JMP software package.  I will not discuss the contents of the exam. This includes, but is not limited to, posts to websites, personal discussions with anyone, tweets, texts, emails, etc. Text questions can be discussed with the instructor after completion of the exam. I further understand that breaking these rules is an Honor Code violation that will result in failing the class, as well as other sanctions as applied by the Office of Student Conduct and Conflict Resolution.  Mark if you agree or disagree.  

Which of the following would be smoother, a 70 day or a 120 day moving average?

A study is conducted to compare the level of pain after taking one of three pain medications (A, B and C). Nine volunteers were divided up into three groups to record their level of pain. Assume that all assumptions are met. The level of pain is scored between 1 and 10. Using JMP, find the F test statistic for one way ANOVA. Round the value to three decimal places.   Drug Pain Level A 5 A 6 A 5 B 8 B 8 B 9 C 5 C 9 C 4

A human resource manager wanted to conduct a Kruskall Wallace test to compare employees ratings of five new programs. The manager randomly selected 10 employees who had participated in each of the programs. What is the degree of freedom for this test? Give the exact value. 

A human resource manager wanted to conduct a Kruskall Wallace test to compare employees ratings of five new programs. The manager randomly selected 10 employees who had participated in each of the programs. What is the degree of freedom for this test? Give the exact value. 

For the following description, determine if it is an action or a state of nature.  Answer this question from the viewpoint of a business manager.  “Whether it is a great, good or poor growing season.”

A company was testing out two new versions of a website. They had 7 of their customers rate both websites using a letter grading scale between 1 and 10. They want to know if the ratings differ between the two websites. Using the appropriate table, for a two tailed test with alpha equal to 0.10, what is the critical value?  Person  Website A Website B 1 2 4 2 3 7 3 7 2 4 1 2 5 4 2 6 9 8 7 10 9

A clothing company has determined that it is time to grow their business. They are trying to determine if they should open a new location or expand their online offerings.  The following cost matrix (in thousands) was created.  Recession Stable Expansion New Location 50 80 [location] Expand Online Offerings  60 70 [online]   The probability of a recession is 0.30, the probability of a stable economy is 0.40 and the probability of expansion is 0.30.  Find the expected value of expanding online offerings. Round your answer to one value after the decimal. Do not change the value to thousands, but leave as the formula gives you. For example, if you get 34.3, enter 34.3 not 34,300.