The number of incidents of swearing occurring in each of ten 5-minute intervals is 2, 4, 0, 1, 1, 3, 2, 2, 5, 0. Using an interval recording procedure, the overall level of swearing calculated is:
A) 2%.
B) 20%.
C) 8%.
D) 80%.

Question

Quizplus · Accepted Answer

The overall level of swearing is calculated by adding the number of intervals in which swearing occurred and dividing by the total number of intervals, then multiplying by 100 to get a percentage. Swearing occurred in 8 out of 10 intervals (all except the intervals with 0 incidents), so (8/10) * 100 = 80%.

The Number of Incidents of Swearing Occurring in Each of Ten