“Create a line graph of Eastside Clinic average wait times in minutes from January to June: Primary care 24, 22, 21, 19, 18, 17; Pediatrics 31, 29, 27, 25, 26, 23; Imaging 18, 20, 19, 17, 16, 15.”
図の背後にある意思決定を読み解く。
measure wait time consistently across departments.
pediatrics rises in May while other lines improve.
show averages, not patient-level events.
Use for operational trends when each service shares a common time measure.
よくある質問
What should wait time measure?
Define it clearly, such as arrival to clinician start time.
Why compare departments?
It helps locate service-specific issues that a clinic average would hide.
Can I use median wait time?
Yes. Use the same statistic consistently and label it.