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[]
[null,"Problem","Description","Possible Points","Earned Points","Note",null,null,null,null,null,null,null,null,null,"Stuff for IF function:"]
[null,"1)","Create a Scatter Chart",{"$f":"100/ROWS($C$3:$C$30)","v":3.5714285714285716},{"$f":"D3","v":3.5714285714285716},null,null,null,null,null,null,null,null,null,null,"You learned about Proper Data Sets in Videos #1, #2 and #4 in Chapter 1, Videos #5 and #6 in chapter 2, and, Video #15 in chapter 3. Example of a possible answer is listed on the left of this cell"]
[null,null,"Calculate slope",3.5714285714285716,3.5714285714285716]
[null,null,"Calculate y-intercept",3.5714285714285716,3.5714285714285716]
[null,null,"Calculate the simple linear regression equation",3.5714285714285716,3.5714285714285716]
[null,null,"Predict what the y value will be when x = 5",3.5714285714285716,3.5714285714285716]
[null,null,"Other 1",3.5714285714285716,3.5714285714285716]
[null,null,"Other 2",3.5714285714285716,3.5714285714285716]
[null,null,"Other 3",3.5714285714285716,3.5714285714285716]
[null,"2)","a) Create an X-Y Scatter chart based on the fields Production Volume (Units) (X) and Total Costs ($) (Y).",3.5714285714285716,3.5714285714285716]
[null,null,"b) With units as the X Variable, create the simple linear regression equation so that the accountants can make predictions of total cost based on unit volume.",3.5714285714285716,3.5714285714285716]
[null,null,"c) Calculate coefficient of determination.",3.5714285714285716,3.5714285714285716]
[null,null,"d) Answer this question: Does the estimated simple linear regression equation provide a good fit?",3.5714285714285716,3.5714285714285716]
[null,null,"e) Calculate the sample correlations coefficient.",3.5714285714285716,3.5714285714285716]
[null,null,"f) Answer this question: what is the strength and direction of the estimated simple linear regression equation?",3.5714285714285716,3.5714285714285716]
[null,null,"g) Predict what the total costs will be if the unit volume is 500.",3.5714285714285716,3.5714285714285716]
[null,null,"Other 1",3.5714285714285716,3.5714285714285716]
[null,null,"Other 2"]
[null,null,"Other 3",{"$f":"100/ROWS($C$3:$C$30)","v":3.5714285714285716},3.5714285714285716]
[null,"3)","a) Create an X-Y Scatter chart based on the fields Cars (1000) (X) and Revenue ($ Million) (Y).",3.5714285714285716,3.5714285714285716]
[null,null,"b) With Cars as the X Variable, create the simple linear regression equation that can make predictions of revenue base on number of cars.",3.5714285714285716,3.5714285714285716]
[null,null,"c) Calculate coefficient of determination.",3.5714285714285716,3.5714285714285716]
[null,null,"d) Answer this question: Does the estimated simple linear regression equation provide a good fit?",3.5714285714285716,3.5714285714285716]
[null,null,"e) Calculate the sample correlations coefficient.",3.5714285714285716,3.5714285714285716]
[null,null,"f) Answer this question: what is the strength and direction of the estimated simple linear regression equation?",3.5714285714285716,3.5714285714285716]
[null,null,"g) Predict what the revenue will be if the fleet of cars is equal to 6.5 (1000).",3.5714285714285716,3.5714285714285716]
[null,null,"Other 1",3.5714285714285716,3.5714285714285716]
[null,null,"Other 2",3.5714285714285716,3.5714285714285716]
[null,null,"Other 3",3.5714285714285716,3.5714285714285716]
[null,null,"Total Possible Points",{"$f":"SUM(D3:D30)","v":96.428571428571402}]
[null,null,"Is Test Submitted Past due date-time?","No",{"$f":"IF(D32=\"Yes\",-0.25*SUM(E3:E29),\"\")","v":""},{"$f":"IF(D32=\"Yes\",\"Deduction for late test\",\"\")","v":""}]
[null,null,null,"Your Earned Test Score:",{"$f":"SUM(E3:E32)","v":96.428571428571402}]
[]
[]
[null,"Be sure to scroll up to see whole score sheet.",null,null,null,"fall 2022"]
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   "]

{"sheet":"Instructions","index":1,"n_rows":14,"n_cols":6,"rows_kept":14,"cut":false,"hidden":false,"merged":[]}
["* This test covers everything in class up through chapter 14"]
[null,"Test Instructions:"]
["1)","You must rename each test file so that the file name contains your name."]
[null,"For example, if your name is “Sioux Noline” and the test file has the name “YourNameBusn210Test08.xlsm\","]
[null,"you MUST rename the file to become: “SiouxNolineBusn210Test08.xlsm”."]
[null,"Tests that do not follow this naming rule are scored as zero."]
["2)","The Excel test file MUST use the file extension \".xlsm\". Tests that do not follow this rule are scored as zero."]
["3)","This test has three problems on the worksheets with the names \"P(1)\" ... \"P(3)\"."]
["4)","Late tests without a documentable emergency are assessed as a 25% deduction."]
[null,"You can hand in tests late if a documentable emergency occurs, like documented deaths or medical emergencies."]
["5)","The test scores earned will count toward your grade for the class."]
[]
["If you have questions you can e-mail me at mgirvin@highline.edu"]
[null,null,null,null,null,"Fall, 2022 File"]

{"sheet":"P(1)","index":2,"n_rows":19,"n_cols":3,"rows_kept":19,"cut":false,"hidden":false,"merged":[]}
["A company wants to study the relationship between an employee's length of employment and their"]
["number of workdays absent. The company wants to be able to estimate the number of workdays absent"]
["based on the employee's length of employment. The company collected the following information on a"]
["random sample of seven employees. Somewhere in the spreadsheet: a) Create a Scatter Chart to visually"]
["show the relationship between the variables. b) Then calculate the slope and y-intercept. c) Finally, use the slope and y-intercept "]
["in the estimated simple linear regression equation to predict what the y value will be when x = 5, put you answer in cell B9."]
["Video #50 shows how to do a problem like this."]
[]
["X",{"$f":"\"Predicted Value\"&CHAR(10)&\"for \"&A9&\" = \"&A10","v":"Predicted Value\nfor X = 5"}]
[5]
[]
["Employee Selected for Sample","Length of Employment in Years (x)","Number of Workdays Absent (y)"]
["Employee 1",5,2]
["Employee 2",6,3]
["Employee 3",9,3]
["Employee 4",4,5]
["Employee 5",2,7]
["Employee 6",2,8]
["Employee 7",0,8]

{"sheet":"P(2)","index":3,"n_rows":18,"n_cols":4,"rows_kept":18,"cut":false,"hidden":false,"merged":[]}
[null,"The accountants at a production company wants a model that they can use to predict costs based on the number of units produced."]
[null,"Below is a table of data with Units and Total Cost. "]
["a","Create an X-Y Scatter chart based on the fields Production Volume (Units) (X) and Total Costs ($) (Y)."]
["b","With units as the X Variable, create the simple linear regression equation so that the accountants can make predictions of total cost based on unit volume."]
["c","Calculate coefficient of determination."]
["d","Answer this question: Does the estimated simple linear regression equation provide a good fit?"]
["e","Calculate the sample correlations coefficient."]
["f","Answer this question: what is the strength and direction of the estimated simple linear regression equation?"]
["g","Predict what the total costs will be if the unit volume is 500."]
[null,"Video #50 shows how to do a problem like this."]
[]
[null,"Record","Production Volume (Units) (X)","Total Cost ($) (Y)"]
[null,1,400,4000]
[null,2,450,5000]
[null,3,550,5400]
[null,4,600,5900]
[null,5,700,6400]
[null,6,750,7000]

{"sheet":"P(3)","index":4,"n_rows":20,"n_cols":4,"rows_kept":20,"cut":false,"hidden":false,"merged":[]}
[null," An analyst of  Rental Car Companies wants a model that they can use to predict revenues based on the number of autos in the rental fleet."]
[null,"Below is a table of data with Cars (listed in units of 1000) and Revenues in millions of dollars."]
["a","Create an X-Y Scatter chart based on the fields Cars (1000) (X) and Revenue ($ Million) (Y)."]
["b","With Cars as the X Variable, create the simple linear regression equation that can make predictions of revenue base on number of cars."]
["c","Calculate coefficient of determination."]
["d","Answer this question: Does the estimated simple linear regression equation provide a good fit?"]
["e","Calculate the sample correlations coefficient."]
["f","Answer this question: what is the strength and direction of the estimated simple linear regression equation?"]
["g","Predict what the revenue will be if the fleet of cars is equal to 6.5 (1000)."]
[null,"Video #50 shows how to do a problem like this."]
[]
[]
[]
[null,"Rental Car Company","Cars (1000) (X)","Revenue ($ Million) (Y)"]
[null,"U-Save",11.5,118]
[null,"Payless",10,135]
[null,"ACE",9,100]
[null,"Rent-A-Wreck",5.5,37]
[null,"Triangle",4.2,40]
[null,"Affordable/Sensible",3.3,32]