Tardiness of evening-shift staff has been a problem on the unit. This has led to excessive overtime to ensure that patient shift handoffs are conducted in a timely manner. The manager invites you to monitor evening-shift tardiness for 1 week. There are eight evening nurses. You just completed data collection and are preparing a spreadsheet to share with your manager. Using the findings in the table that follows, what is the mean time for tardiness and range of minutes that evening staff were tardy over this 7-day time period? Table: Tardiness of Evening Shift OT, On Time A.Mean = 8.0 minutes Range = 3.0-20.0 B.Mean = 5.0 minutes Range = 3.0-20.0 C.Mean = 5.0 minutes Range = 123 D.Mean = 8.2 minutes Range = 3.0-20.0