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WGU C268 STUDY GUIDE FOR EXCEL PA CURRENTLY TESTING COMPLETE EXAM QUESTIONS WITH DETAILED, Exams of Computer Science

Chamberlain College of NursingComputer Science

WGU C268 STUDY GUIDE FOR EXCEL PA CURRENTLY TESTING COMPLETE EXAM QUESTIONS WITH DETAILED VERIFIED ANSWERS /EXPERT VERIFIED /ALREADY GRADED A+ This document provides a complete WGU C268 Excel Performance Assessment study guide with fully worked, expert-verified answers covering all required spreadsheet tasks. It includes formulas, functions, PivotTables, charts, Solver optimization, amortization schedules, what-if analysis, and advanced Excel logic exactly aligned with the graded PA requirements.

Typology: Exams

2025/2026

Available from 01/05/2026

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WGU C268 STUDY GUIDE FOR EXCEL PA
CURRENTLY TESTING COMPLETE EXAM
QUESTIONS WITH DETAILED VERIFIED
ANSWERS /EXPERT VERIFIED /ALREADY
GRADED A+
EVENT PROF 1. In the "Input Analysis" section of the spreadsheet model, calculate
the average attendance and sales for each type of product from the past events
listed in the "Past Events" worksheet. - CORRECT ANSWER ✔✔- =AVERAGE('Past
Events'!C4:C103)
2. In the "Input Analysis" section of the spreadsheet model, calculate the sample
standard deviation for attendance and sales for each type of product from the
past events listed on the "Past Events" worksheet. (Note for Excel 2007 users:
Excel 2007 does not support a specific function to calculate sample standard
deviations. Use the STDEV function instead.) - CORRECT ANSWER ✔✔-
=STDEV.S('Past Events'!C4:C103)
3. In the "Input Analysis" section of the spreadsheet model, calculate the 95%
confidence interval for the sales for each type of product. (You will not calculate a
confidence interval for attendance.) Use the number of events (calculated in cell
I3) as part of your calculations. (Note to Excel 2007 users: the CONFIDENCE.NORM
function is not supported in Excel 2007. Use the CONFIDENCE function instead.) -
CORRECT ANSWER ✔✔- =CONFIDENCE.NORM(0.05,J7,I3)
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Download WGU C268 STUDY GUIDE FOR EXCEL PA CURRENTLY TESTING COMPLETE EXAM QUESTIONS WITH DETAILED and more Exams Computer Science in PDF only on Docsity!

WGU C268 STUDY GUIDE FOR EXCEL PA

CURRENTLY TESTING COMPLETE EXAM

QUESTIONS WITH DETAILED VERIFIED

ANSWERS /EXPERT VERIFIED /ALREADY

GRADED A+

EVENT PROF 1. In the "Input Analysis" section of the spreadsheet model, calculate the average attendance and sales for each type of product from the past events listed in the "Past Events" worksheet. - CORRECT ANSWER ✔✔- =AVERAGE('Past Events'!C4:C103)

  1. In the "Input Analysis" section of the spreadsheet model, calculate the sample standard deviation for attendance and sales for each type of product from the past events listed on the "Past Events" worksheet. (Note for Excel 2007 users: Excel 2007 does not support a specific function to calculate sample standard deviations. Use the STDEV function instead.) - CORRECT ANSWER ✔✔- =STDEV.S('Past Events'!C4:C103)
  2. In the "Input Analysis" section of the spreadsheet model, calculate the 95% confidence interval for the sales for each type of product. (You will not calculate a confidence interval for attendance.) Use the number of events (calculated in cell I3) as part of your calculations. (Note to Excel 2007 users: the CONFIDENCE.NORM function is not supported in Excel 2007. Use the CONFIDENCE function instead.) - CORRECT ANSWER ✔✔- =CONFIDENCE.NORM(0.05,J7,I3)
  1. In the "Input Analysis" section of the spreadsheet model, calculate the correlations between the sales of each type of product and event attendance. Use appropriate ranges from the "Past Event" worksheet for your calculations. - CORRECT ANSWER ✔✔- Programs=CORREL('Past Events'!C4:C103,'Past Events'!D4:D103) Food=CORREL('Past Events'!C4:C103,'Past Events'!E4:E103) Merchandise=CORREL('Past Events'!C4:C103,'Past Events'!F4:F103)
  2. The sales for which product type are most highly correlated with attendance? Select the correct answer from the drop-down list in cell L32. - CORRECT ANSWER ✔✔- Food
  3. In the "Input Analysis" section of the spreadsheet model, calculate a sales forecast for each type of product if expected attendance at the future event is 18000 people. Reference cell I13 (the attendance forecast) for your calculations. - CORRECT ANSWER ✔✔- Programs=FORECAST(I$13,'Past Events'!D4:D103,'Past Events'!C4:C103)Food=FORECAST(I$13,'Past Events'!E4:E103,'Past Events'!C4:C103)Merchandise=FORECAST(I$13,'Past Events'!F4:F103,'Past Events'!C4:C103)
  4. In the "Input Analysis" section of the spreadsheet model, calculate the upper limit for your sales forecast for each type of product if expected attendance at the future event is 18000 people. Reference the confidence interval you created for your calculation. - CORRECT ANSWER ✔✔- Programs=I16+J Food=J16+K Merchandise=K16+L
  5. In the "Input Analysis" section of the spreadsheet model, calculate the lower limit for your sales forecast for each type of product if expected attendance at the
  1. Which product generates the largest gross profit? Select the correct answer from the drop-down list in cell L38. - CORRECT ANSWER ✔✔- Merchandise
  2. Calculate the commissions paid for each product type. The commissions paid are calculated as the expected sales for each product type times the commission percentage from the "Model Inputs" section of the model. - CORRECT ANSWER ✔✔- Programs=C15C Food=D15D Merchandise=E15*E
  3. Enter the fixed costs in the model. Reference the appropriate amount for each product type in the "Model Inputs" section. - CORRECT ANSWER ✔✔- Programs=C Food=D Merchandise=E
  4. Calculate the total operating expenses for each product type. This is the sum of salary expenses (yet to be calculated), commissions, and the fixed costs for each product type. - CORRECT ANSWER ✔✔- Programs=SUM(C21,C22,C23) Food==SUM(D21,D22,D23) Merchandise= =SUM(E21,E22,E23)
  5. Calculate the profit before the arena fee for each product type. This is the gross profit minus the total operating expenses for each type of product, including the salary expenses (yet to be calculated). - CORRECT ANSWER ✔✔- Programs=C17-C

Food=D17-D Merchandise=E17-E

  1. Calculate the number of employees that are needed to work the event for each type of product. This is calculated as the profit before the arena fee for each type of product, times the employees (% of expected profit) for each product type from the "Model Inputs" section of the worksheet. Because you cannot hire a fraction of an employee, round your calculations up to the next whole number. - CORRECT ANSWER ✔✔- Programs=ROUNDUP(C26C7,0) Food=ROUNDUP(D26D7,0) Merchandise=ROUNDUP(E26*E7,0)
  2. Which product will require the fewest employees? Select the correct answer from the drop-down list in cell L40. - CORRECT ANSWER ✔✔- Programs
  3. Calculate the salary expenses for each product type. This is calculated as the number of employees needed for each product type times the salary (per employee) in the "Model Inputs" section. (Employees make the same salary despite the product type.) This will create a circular reference in your worksheet. You will need to change the options in Excel to appropriately account for the circular reference. - CORRECT ANSWER ✔✔- File - > Options - > Formulas Under calculation options check the option to "Enable iterative calculation Programs=C28C$ Food=D28C$ Merchandise=E28*C$

2.)Select all the cells in the table 3.) Go to Data in Menu 4.) Click on "What If Analysis" 5.) Click on Data Table 6.) "Row Input Cell" = I$13 (Attendance),"Column Input Cell"-C$9 (Arena Fee)

  1. Would the event be profitable with a $150,000 arena fee if 15,000 people were in attendance? Select the correct answer from the drop-down list in cell L42.
  • CORRECT ANSWER ✔✔- No AMORTIZATION 1. Calculate the payment amount for the loan in cell C15. Reference the cells containing the appropriate loan information as the arguments for the function you use. Cells C20-C67 in the "Payment" column are populated with the payment amount from cell C15. - CORRECT ANSWER ✔✔- =PMT(C13/12,C12,C11)
  1. Calculate, in cell D20, the interest amount for period 1 by multiplying the balance in period 0 (cell F19) by the loan interest rate (cell C13) divided by 12. Dividing the interest rate by 12 results in the monthly interest rate. This formula is reusable. The interest for a given period is always the monthly interest rate times the balance from the previous period. - CORRECT ANSWER ✔✔- =F19*C$13/
  2. Copy the Interest amount calcualtion down to complete the "interest" column of the amortization table. - CORRECT ANSWER ✔✔- Paste down column.
  3. Calculate, in cell E20, the principal amount for period 1. The principal amount is the difference between the payment amount (cell C20) and the interest amount (cell D20) for period 1. Construct your formula in such a way that it can be reused

to complete the "principal" column of the amortization table. - CORRECT ANSWER ✔✔- =C20-D

  1. Copy the principal amount calculation down to complete the "principal" column of the amortization table. - CORRECT ANSWER ✔✔- Copy and paste down.
  2. Calculate, in cell F20, the balance for period 1. The balance is the difference between the balance for period 0 (cell F19) and the principal amount for period 1 (cell E20). This formula is reusable. The balance is always calculated as the difference between the balance from the previous period and the principal amount for the current period. - CORRECT ANSWER ✔✔- =F19-E
  3. Copy the balance amount calculation down to complete the balance column of the amortization table. - CORRECT ANSWER ✔✔- Copy and paste down.
  4. Calculate, in cell G12, the total amount paid by multiplying the payment amount (cell C15) by the term of the loan (cell C12). - CORRECT ANSWER ✔✔- =C15*C
  5. Calculate the total interest paid in cell G13. The total interest paid is the sum of all interest paid in the "Interest" column of the amortization table. - CORRECT ANSWER ✔✔- =SUM(D20:D67)
  6. To verify that the total interest calculation from the amortization table is correct, calculate the total interest paid in cell G14. This is the difference between the Total Amount Paid over the course of the loan and the original Loan Amount. Notice the negative sign associated with the original Loan Amount. - CORRECT ANSWER ✔✔- =G12+C

Bonus?" column is TRUE), then "Outcome Bonus $" is the "Job Pay" for that project times the outcome bonus percentage in cell M12; otherwise, "Outcome Bonus $" is 0. - CORRECT ANSWER ✔✔- =IF(J16=True, K16*M$12,0)

  1. Use the IF function to complete the "Comments" column of table 1. Display "Good Job" if both the "Hours Worked" are less than or equal to the "Estimated Hours" for a project and the assessed "Quality" of that project is greater than 1. Display "Too Much Time" if the "Hours Worked" on a project exceed the "Estimated Hours" for that project; otherwise, display "Poor Quality." - CORRECT ANSWER ✔✔- =IF(AND(E16<=C16, H16>1) , "Good Job", IF(E16>C16,"Too Much Time","Poor Quality"))
  2. Use the Vlookup Function to complete the "employee" column of table 2. Use "job Id" from table 2 as your lookup_value(s) and table 1 as your reference. - CORRECT ANSWER ✔✔- =vlookup(B40,B$16:D$35,3)
  3. Use the Vlookup function to complete the "difficulty" column of Table 2. Again use "job ID" from table 2 as the lookup_value(s) and table 1 as the reference table. - CORRECT ANSWER ✔✔- =Vlookup(B40,B$16:H$35,6)
  4. Use the COUNTIF function to complete the "# of Jobs" column in table 3. Reference the appropriate field in table 1 as your range and the "Employee" names in table 3 as your criteria. - CORRECT ANSWER ✔✔- =Countif(B16:D35,G39)
  5. Use the SUMIF function to complete the "Total Hours" column in table 3. Reference the appropriate field in table 1 as your range and the "Employee" names in table 3 as your criteria. - CORRECT ANSWER ✔✔- =sumif(D$16:D$35, G39, E$16:E$35)
  1. Use the SUMIF function to complete the "Total Pay" column in table 3. Reference the "Employee" field in table 1 as your range, the "Employee" names in table 3 as your criteria, and the "Total Pay" field in table 1 as your sum_range. - CORRECT ANSWER ✔✔- =SUMIF(D$16:D$35,G39,N$16:N$35)
  2. Use the COUNTIF function to complete the "# of Touch-ups" column in table
  3. Reference the appropriate field in table 2 as your range and the "Difficulty" rating in table 4 as your criteria. - CORRECT ANSWER ✔✔- =COUNTIF(D$40:D$46,G46)
  4. Use the SUMIF function to complete the "Cost Touch-ups" column in table 4. Reference the appropriate field in table 2 as your range and the "Difficulty" rating in table 4 as your criteria. - CORRECT ANSWER ✔✔- =SUMIF(D$40:D$46,G46,E$40:E$46)
  5. Use the AVERAGEIF function to complete the "Average Hours/Job" column in table 4. Reference the appropriate field in table 1 as your range and the "Difficulty" rating in table 4 as your criteria. - CORRECT ANSWER ✔✔- =AVERAGEIF(G$16:G$35,G46,E$16:E$35) GOOGLE 1. Construct a column chart to examine the total annual revenue for Google, Inc. from 2003 to 2010, using the data in table 1 (range C12:J12). Format the chart with the title "Total Google Revenue" and the years across the horizontal axis. Do not include a legend. Note: in order for the grading engine to identify the chart for grading, the title must be precisely, "Total Google Revenue" (without the quotes). - CORRECT ANSWER ✔✔- Drag from C12:J12 and click on quick analysis. Click on bar graphs. Click on numbers below graph and click select data. Click on edit drag on Table 1 (Quarters) =Google!$C$7:$J$7 (The Dates).

for grading, the title must be precisely, "Google Revenue Line" (without the quotes). - CORRECT ANSWER ✔✔- Drag from C19:J19 and click on quick analysis. Select on line graph. Click on the numbers and then click on select data. Change the name to the dates of Table 1 =Google!$C$7:$J$7.

  1. Add a linear trendline to the "Google Revenue Line " chart. - CORRECT ANSWER ✔✔- Add chart element and trendline and click on linear. SPENDING 1. Use the LEN function in cell D10 to determine the number of characters in the statement template in cell D9. - CORRECT ANSWER ✔✔- =LEN(D9)
  2. Use the SEARCH function in cell D11 to determine the position of the "#" character in the statement template (cell D9). - CORRECT ANSWER ✔✔- =SEARCH("#",D9)
  3. Use the SEARCH function in cell D12 to determine the position of the "$" character in the statement template (cell D9). - CORRECT ANSWER ✔✔- =SEARCH("$",D9)
  4. Use the LEFT function in cell D13 to return the text "I spent $" from the statement template in cell D9. Refer to the location of the "$" character you calculated in cell D12 as the "num_char" argument for your function. - CORRECT ANSWER ✔✔- =LEFT(D9,D12)
  5. Use the MID function in cell D14 to return the text "at merchant #" from the statement template in cell D9. Refer to the location of the "$" (in cell D12)— adjusted by adding 1—as the "start_num" argument. Use the difference between

the location of the "#" character (in cell D11) and the "$" character (in cell D12) as the "num_char" argument. - CORRECT ANSWER ✔✔- =MID(D9,D12+1,D11-D12)

  1. Use the RIGHT function in cell D15 to return the text "on:" from the statement template in cell D9. Use the difference between the length of the statement template (in cell D10) and the location of the "#" character (in cell D11) as the "num_char" argument. - CORRECT ANSWER ✔✔- =RIGHT(D9,D10-D11)
  2. Use the MONTH function in cell E18 to calculate the month portion of the "Time Stamp" in cell B18. Copy and paste your function down to complete the "Month" column of the table. - CORRECT ANSWER ✔✔- =MONTH(B18)
  3. Use the DAY function in cell F18 to calculate the day portion of the "Time Stamp" in cell B18. Copy and paste your function down to complete the "Day" column of the table. - CORRECT ANSWER ✔✔- =DAY(B18) 9 .Use the HOUR function in cell G18 to calculate the hour portion of the "Time Stamp" in cell B18. Copy and paste your function down to complete the "Hour" column of the table. - CORRECT ANSWER ✔✔- =HOUR(B18)
  4. Use the MINUTE function in cell H18 to calculate the minute portion of the "Time Stamp" in cell B18. Copy and paste your function down to complete the "Minute" column of the table. - CORRECT ANSWER ✔✔- =MINUTE(B18)
  5. Use the SECOND function in cell I18 to calculate the second portion of the "Time Stamp" in cell B18. Copy and paste your function down to complete the "Second" column of the table. - CORRECT ANSWER ✔✔- =SECOND(B18)
  1. Use the event data on the "Past Events" worksheet (range A3:G103) to construct a PivotTable that will calculate the total merchandise sales for events with "Excellent" crowd size. Place the PivotTable on a new worksheet. Use "Type" as a row label and "Crowd Size" as a report filter for the analysis. Rename the new worksheet "PT2" (without the quotes). - CORRECT ANSWER ✔✔- 1.) Filters- Crowd Size 2.) Rows- Type 3.) Values- Sum of Merchandise 4)Select "Excellent" from filter
  2. For only those events with "Excellent" crowd sizes, how much total merchandise revenue was earned? Select the answer closest to your answer from the drop-down list in cell J23. - CORRECT ANSWER ✔✔- $ 7 Million
  3. Use the event data on the "Past Events" worksheet (range A3:G103) to construct a PivotTable to determine what percent of events with "Fair" crowd size were sporting events. Place the PivotTable on a new worksheet. Use "Type" as a row label, "Crowd Size" as a column label, and an appropriate presentation of "Event" as the "Values" field for the PivotTable. Rename the new worksheet "PT3" (without the quotes). - CORRECT ANSWER ✔✔- 1.) Columns- Crowd Size 2.) Rows- Type 3.) Values- Event Summarize Values By Count, Show Value As % of Show as average
  4. What percent of events with "Fair" crowd sizes were sporting events? Select the answer closest to your answer from the drop-down list in cell J26. - CORRECT ANSWER ✔✔- 51%
  1. Use the event data on the "Past Events" worksheet (range A3:G103) to construct a PivotTable to determine what percent of all concerts had a crowd size of "Excellent." Place the PivotTable on a new worksheet. Use "Type" as a row label, "Crowd Size" as a column label, and an appropriate presentation of "Event" as the "Values" field for the PivotTable. Rename the new worksheet "PT4" (without the quotes). - CORRECT ANSWER ✔✔- 1.) Columns- Crowd Size 2.) Rows- Type 3.) Values- Summarize Values By Count, Show Value As % of Row Total
  2. What percent of all concerts had a crowd size of "Excellent"? Select the answer closest to your answer in the drop-down list in cell J2. - CORRECT ANSWER ✔✔- 19%
  3. Use the event data on the "Past Events" worksheet (range A3:G103) to construct a PivotTable to show the differences in Total Food Sales for each Type of Event from the Total Food Sales for the Other Events type. Place the PivotTable on a new worksheet. Use "Type" as a row label and an appropriate presentation of "Food" as the "Values" field for the PivotTable. Rename the new worksheet "PT5" (without the quotes). - CORRECT ANSWER ✔✔- 1.) Rows- Type 2.) Values- Summarize Values By Sum, Show Values As Difference From Type & Concert
  4. How much more money from food sales has been generated at concerts than at other events, not including sporting events, for events in the sample? Select the answer closest to your answer in the drop-down list in cell J31. - CORRECT ANSWER ✔✔- $625, BAKERY 1. Use Solver to calculate the optimal number of dozens of product to make. Be sure to save your work. - CORRECT ANSWER ✔✔- Solver: