Scatter plots and Functions

Which one is a function?

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Match the description of the association with the correct graph.

• Strong Positive Association

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• Strong Negative Association

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• Weak Negative Association

• 
• No Association

• 
• Weak Positive Association

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Identify the 2 outliers

Organize these options into the right categories

Groups:

(a) Mapping

,

(b) Ordered Pairs

,

(c) Table

,

(d) Graph

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A _______ is a group of points close together on a graph.

A ​ ​ (a)   is when each ​ (b)   is paired with exactly one ​ (c)   .

• function
• input
• output
• positive association
• outlier

Which point will make the set a function: {(1,3), (2,3), (3,4), ​ (a)   }

• (4,3)
• (1,5)
• (2,4)
• (3,0)

Label the parts of the graph.

a

b

c

Outlier

Cluster

Gap

Draw a line of best fit.

Estimate the value of y when x is equal to 20.

• (20,0)

• (20,10)

• (20,20)

• (20,30)