Scatter Plot Correlation Word Problems

Describe the correlation in the graph shown.

• Strong Negative

• Strong Positive

• Weak Negative

• Weak Positive

Describe the correlation in the graph shown.

• Strong Negative

• Strong Positive

• Weak Negative

• Weak Positive

Tags

CCSS.HSF-LE.A.1B

The graph above shows a line of best fit for data collected on the amount earned by waiters and waitresses last week in relation to the number of tables they served.  What is the equation of the line of best fit?

• y = (5/3) x + 375

• y = (1/3) x + 475

• y = (5/3) x + 475

• y = (1/3) x + 375

Tags

CCSS.8.EE.B.5

What type of association does this graph have?

• positive 

• negative

• none

• all of the above

Based on the graph, if Joe earned $400, how many hours did he work?

• 25 hours

• 35 hours

• 45 hours

• 15 hours

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 the y-intercept for the line of best fit for the scatter plot?

• 35

• 50

• 30

• 20

Tags

CCSS.8.EE.B.5

Caroline weighs her new puppy every month to see how much it has grown. If age is x and weight is y, which of these is the correct equation for the line of best fit?

• y = 3.6 + 8.9

• y = 3.6x + 8.9

• x = 8.9y + 3.6

• y = 8.9x + 3.6

The table shown is comparing a person's foot length to their height in cm. Calculate a line of best fit.

• y = 25.05x + 5.57

• y = 5.57x + 25.05

• y = -5.57x + 25.05

• y = 5.57x - 25.05

What is the correlation?

• Negative correlation

• No correlation

• Positive correlation

• All of the above