12. Dean wants a quick way to look up staff members by their Staff ID. In cell Q3, nest the existing VLOOKUP function in an IFERROR function. If the VLOOKUP function returns an error result, the text "Invalid Staff ID" should be displayed by the formula. (Hint: You can test that this formula is working by changing the value in cell Q2 to o, but remember to set the value of cell Q2 back to 1036 when the testing is complete.) 13. In cell Q4, enter a formula using the VLOOKUP function to n the 4th column of the CBFStaff table. Since the formula is 14. Dean wishes to determine several totals and averages for his display a staff member's years of service. Look up the staff ID listed in cell Q2. Use a structured reference to retrieve the value looking for a specific staff member's data, find an exact match. staff In cell Q9, enter a formula using the cOUNTIF function and structured references to count the number of staff members who have participated in Leadership Training. 15. In cell R9, enter a formula using the AVERAGEIF function and structured references to determine the average the number of Leadership Training as shown in the Service Years column. 16. In cell R10, enter a formula using the AVERAGE function and a service years of staff members who have participated in structured reference to determine the average number of years of service of all staff as shown in the Service Years column. 12. Dean wants a quick way to look up staff members by their Staff ID. In cell Q3, nest the existing VLOOKUP function in an IFERROR function. If the VLOOKUP function returns an error result, the text "Invalid Staff ID" should be displayed by the formula. (Hint: You can test that this formula is working by changing the value in cell Q2 to o, but remember to set the value of cell Q2 back to 1036 when the testing is complete.) 13. In cell Q4, enter a formula using the VLOOKUP function to n the 4th column of the CBFStaff table. Since the formula is 14. Dean wishes to determine several totals and averages for his display a staff member's years of service. Look up the staff ID listed in cell Q2. Use a structured reference to retrieve the value looking for a specific staff member's data, find an exact match. staff In cell Q9, enter a formula using the cOUNTIF function and structured references to count the number of staff members who have participated in Leadership Training. 15. In cell R9, enter a formula using the AVERAGEIF function and structured references to determine the average the number of Leadership Training as shown in the Service Years column. 16. In cell R10, enter a formula using the AVERAGE function and a service years of staff members who have participated in structured reference to determine the average number of years of service of all staff as shown in the Service Years column
