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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.

In a presidential system, the president is

Who has the power to declare war?

Which system of government gives all key powers to the national government?