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The data below gives the weights (in pounds) of 9 basketball players on each of the local community college and university teams. Test the hypothesis (at the 0.05 level) that the mean weights of basketball players on the community college and university basketball teams are different. Statistical Method:  [method] Conclusion:  [conclusion]

Listed below are the costs (in dollars) of repairing the front end and rear end of cars when they were damaged in controlled low-speed crash tests. The nine cars are Toyota, Mazda, Volvo, Saturn, Subaru, Hyundai, Honda, Volkswagen, and Nissan. Use a 0.05 significance level to test the claim that there is a difference in the repair costs between between front end and rear end accidents? Toyota Mazda Volvo Saturn Subaru Hyundai Honda Volkswagen Nissan Front Cost: 1936 978 2252 2032 2911 1312 3469 2598 2535 Rear Cost: 1480 1102 1802 1191 3122 739 2769 2375 1787 Statistical Metho:  [method] Conclusion:  [conclusion]

Identify whether the following data is quantitative or qualitative. The ages (in years) of subjects enrolled in a clinical trial.  [1] The genders of subjects enrolled in a clinical trial.  [2] The gas mileage (in miles/gallon) of SUV’s purchased in the year 2022.  [3] The favorite colors of 1st grade students interviewed at a middle school.  [4]

Directions: Work each problem on your own paper.  Please be sure to clearly label your work for each problem with the correct problem number so that it is easy for me to find your work.  When you have completed the exam, you will submit a pdf scan of your work.  Your exam cannot be graded without this scan. SHOW ALL WORK. Credit will not be given for answers without supporting work. Take your time and relax! Important:  When you are done you must submit your exam. You may use the following sites during the exam. https://www.cemetech.net/projects/jstified/       You will need to download this ROM file (ti84plus.rom Download ti84plus.rom) and upload it to the website.  https://www.desmos.com/calculator. https://www.desmos.com/scientific. To take the Exam 2 please click on the link below.  Write down the password:  WeLoveMath.  You will need it to access the exam. Right-click here to open and take Exam 2 in a new tab:  Exam 2

A soft drink filling machine fills bottles that are supposed to have a mean volume of 20 ounces. A prospective buyer suspects that this is incorrect and customers are being cheated because the mean volume is actually less than 20 ounces. The volumes for a random sample of bottles are listed below. At the 0.05 significance level, test the buyer’s claim. What would you tell the buyer? 19.2    21.2    19.1    18.2    18.8    20.9    20.1    17.2    18.1    20.0    17.2    18.0    17.6 Statistical Method:  [method] Conclusion:  [conclusion]

Give the 5-number summary for the data below. The test scores of 40 students are listed below:25 35 43 44 47 48 54 55 56 5759 62 63 65 66 68 69 69 71 7272 73 74 76 77 77 78 79 80 81 81 82 83 85 89 92 93 94 97 98

Congrats.  You are now finished with Exam 2.  Please submit this assignment, and proceed to the assignment titled “Upload Exam 2 Scratch Paper Here” in the Week 5 module to submit your scratch paper.  Remember, I cannot grade your exam without also having your scratch paper.

You may use the following Stats Packet document on Exam 2 for reference: Stats Formulas Calculations Guide (with tables)-1.pdf

Please take a few moments right now to tilt the camera down to show your workspace and also show both sides of all of your scratch paper.  This step is mandatory.  Do not proceed with the rest of the questions until you have completed this step. Thanks!

In a unitary system, state governments share power equally with the national government.