Scatterplots

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

Choose the graph with a trend line that best fits the data.

• graph 1

• graph 2

• graph 3

• graph 4

Tags

CCSS.8.EE.B.5

A scatterplot and trendline was created comparing time spent exercise with body weight. What does the y-intercept mean in the context of this situation?

• How much a person weighs if they spend no time exercising

• The average weight of a person

• The longest amount of time that a person spent exercising in the survey

• The heaviest person in the survey

• A persons weight to height ratio

Tags

CCSS.HSF.LE.B.5

The red line represents the line of best fit for the scatter plot. How many ice cream sales are expected if the temperature is 90°?

• 55

• 0

• 103

• 100

• 60

What type of correlation does this graph have?

• positive

• negative

• none

• all of the above

What relationship is shown in the scatter plot?

• As the cost goes down, the number sold goes down.

• As the cost goes up, the number sold goes down.

• As the cost goes down, the number sold remains the same.

• There is not relationship between cost and the number sold.

Tags

CCSS.HSF-LE.A.1B

Which of the following could be the equation of the trend line for this graph?

• There is no trend line because there is no association

Tags

CCSS.8.EE.B.5

Which of the following would be the most accurate equation for the scatter plot?

• y = -2x - 7

• y = -x + 7

• y = 3x + 7

• y = 25x + 7

Choose the scatter plot that best represents this relationship: the age of a tree and its height

• 
• 
• 
• 

The scatterplot shows the temp, in degrees, outside a house every hour for 10 hours.

Estimate the temp after 13 hours based off the trendline.

• 57.5

• 50

• 10

• 13

• 61.5