Scatterplots & Two-Way Tables

Which scatterplot suggests a linear relationship between x and y?

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Tags

CCSS.8.F.A.3

Which scatterplot suggests a linear relationship between x and y?

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Tags

CCSS.8.F.A.3

The manager of a restaurant recorded how many people were in different groups of customers and how much those groups spent on food and beverages. The scatterplot below shows the data she recorded.

Based on this scatterplot, about how much money would a group of 10 people be expected to spend on food and beverages at this restaurant?

• $135

• $119

• $105

• $147

Which scatterplot does NOT suggest a linear relationship between x and y?

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Tags

CCSS.8.F.A.3

What kind of correlation does this scatterplot show?

• negative correlation
• no correlation
• positive correlation

Tags

CCSS.HSS.ID.B.5

What type of correlation does this scatterplot represent?

• negative correlation
• no correlation
• positive correlation

Tags

CCSS.HSS.ID.B.5

The scatterplot shows the relationship between the number of tickets bought and the amount of money spent buying tickets.  Which would be a reasonable prediction for the cost of buying 6 tickets?

• $8
• $15
• $12
• $10

Tags

CCSS.8.F.A.3

Using the line of best fit, what is mostly likely the average for a student that was to get 10 hours of sleep a night?

• 61
• 80
• 99
• 85

Which of the following lines represents the line of best fit for the scatter plot?

• A
• B
• C
• D

Tags

CCSS.8.EE.B.5

What is the equation of the line of best fit?

• y= 6x + 2

• y = -2x +6

Tags

CCSS.8.EE.B.5