ACT Preparation / Unit 19 ACT 1809 short lesson, about 20 seconds
Trends
Captions available
The idea
A trend is the overall direction of data: increasing, decreasing, staying the same, or changing direction. Name it from the whole series, not from two neighboring values.
In practice
Invented readings of 4, 7, 9, 10 and 10 increase, then level off.
Where people slip
A trend can change partway; describe each part if it does.
Your place on the trail
Every lesson rests on earlier ones and opens later ones. Tap any to jump.
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