Scatter Plot Associations and Predictions

Scatter plots can help determine if one variable has an effect on the other, or if there are overall trends, patterns, or ​ (a)   between the variables.

• associations
• bivariate
• numerical

Tags

CCSS.HSS.ID.B.5

If a scatterplot has no correlation then...

• ...it has no ordered pairs
• ...it has ordered pairs that have a negative pattern
• ...its ordered pairs have no predictable pattern
• ...if it makes a lion on a graph (roar!)

Tags

CCSS.HSS.ID.B.5

What is a scatter plot?

• A graph that shows the relationship of two data sets.
• A graph drawn using rectangular bars to show how large each value is.
• A graph that shows information that is connected in some way.
• A graph that shows data changing over time.

Tags

CCSS.8.SP.A.1

As x increases, y increases

• correlation coefficient
• causation
• positive correlation
• negative correlation

Tags

CCSS.HSS.ID.C.9

What is the association?

• Negative association

• No association

• Positive association

• All of the above

Tags

CCSS.HSS.ID.B.5

What type of correlation (association)?
The outside temperature and the amount of layers you wear. 

• Positive correlation
• Negative correlation
• No correlation
• All of the above

Tags

CCSS.HSS.ID.B.5

In the scatter plot, does the image shows a "Line of Best Fit"?

• Yes
• No

Tags

CCSS.8.EE.B.5

Based on the scatterplot, what is the best prediction of the resting heart rate of a person who exercises an average of 8 hours each week?

• 30 beats per minute
• 50 beats per minute
• 55 beats per minute
• 60 beats per minute

Based on the scatterplot, what is the best prediction of the average amount of money spent on groceries for a household of 7 people?

• $240
• $190
• $210
• $300

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books.  Use the trend line to predict how many chapters would be in a book with 180 pages. 

• 12 chapters
• 15 chapters
• 18 chapters
• 21 chapters

Tags

CCSS.HSF.BF.A.2