Teaching point: How do we identify whether a scatter plot indicates a positive or nagative linear trend?
Do Now
Have you ever thought to yourself, ‘Every time ______ happens, ______ seems to happen too’? You can fill in the blanks with almost anything, because it is natural to recognize patterns in life.
-When it is rainy, you feel more tired.
-The tallest players on the basketball court tend to be the best.
- When you get a good night’s sleep, you do better on assessments.
These patterns show a potential relationship between two variables, but it might just be coincidence. How can we determine whether the relationship really exists?
On Jamboard, create a sticky note, and fill in the blanks to this sentence. You may do more than one.
‘Every time ______ happens, ______ seems to happen too’