Based on the information given the typing speed and the number of errors they produce is an example of performance test.
Performance test for a job is use to assess  how well a  potential employee or candidate can perform when it comes to tasks assign to them.
Most human resource manager or hiring manager  often carryout performance  test on applicants so as to know the applicants skills based on the job the applicant applied for.
Performance test can be use to evaluate employee skills that is needed for the employee to excel in a particular job position.
Inconclusion the typing speed and the number of errors they produce is an example of performance test.
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