1. On a trend line of total Cases, a flattened curve looks how it sounds: flat

2. On a trend line of total cases, a flattened Curve looks how it sounds: flat

3. Radial fissure and explosive eruptions occurred, with some lava flows, along the NE-SW trend line fissure.

4. A cyclical component of + 8% indicates that actual tourism expenditures are 8% above the trend line, as occurred during the economic boom in late 1988.

5. (Laughter) What's really disturbing is the trend line that goes through that because, of course, when it dips below the zero axis, there, it gets into a negative area.

6. Figure 8.1: Autocorrelated Time Series Note that when the series is above (or below) the OLS regression trend line, it tends to remain above (below) the trend for several periods

7. Figure 8.1: Autocorrelated Time Series Note that when the series is above (or below) the OLS regression trend line, it tends to remain above (below) the trend for several periods

8. The vaccine doses Administered in Wisconsin by day graph breaks down total doses Administered each day, and the orange trend line represents the average number of doses Administered per day over the past seven days