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A public swimming pool records attendance each month. Values are recorded in visits
Read the whole plot and classify its long-term movement
The overall level is approximately constant
The overall level increases
The level changes from decreasing to increasing
The overall level decreases
Does one plotted value show the isolated-departure behaviour described here?
Yes, one observation departs and then returns to the nearby pattern
No, there is no single observation with that pattern
Which description best matches the shorter departures in the plot?
One observation near 2019 Jul departs from the nearby values and then returns
The shorter movements are unsystematic, with no single departure or lasting shift
The level changes from 2019 Jul and stays at a new level afterwards