Scatterplots and Best Line of Fit

Describe the relationship between the data.

• Positive Linear

• Negative Linear

• Non-Linear

• No Relationship

Identify any outliers.

• Outlier at x = 10

• Outlier at x = 15

• Outlier at x = 30

• There aren't any outliers in this graph.

Identify any clusters.

• Cluster at x = 14

• Cluster at x = 18

• Cluster at x = 24

• There aren't any noteworthy clusters in this graph.

Use the graph to determine which table below is correct?

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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

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

How much did the charity receive in 2010?

• $120

• $120,000

• $130,000

• $150,000

Identify any gaps.

• gap between x = 6 and x = 9

• gap between x = 18 and x = 21

• gap between x = 0 and x = 3

• There aren't any significant gaps in this graph.

Identify any gaps.

• gap between x = 10 and x = 15

• gap between x = 35 and x = 40

• gap between x = 15 and x = 25

• There aren't any significant gaps in this graph.

What type of association does this graph have?

• positive

• negative

• none

• all of the above