Unit 4 Practice Quiz

• Positive

• Negative

• None

Tags

CCSS.HSF-LE.A.1B

What type of correlation is seen

• positive

• negative

• none

Tags

CCSS.HSS.ID.B.5

What is a reasonable slope for the graph

• 1/10

• -1/2

• 10

• no line of best fit

Tags

CCSS.8.EE.B.5

Looking at the graph showing a line of best fit, what is the correlation shown?

• Length of life is constant
• Length of life increases as amount of sunlight increases
• Length of life increases as amount of sunlight decreases
• Length of life decreases as amount of sunlight increases

Tags

CCSS.HSF.LE.B.5

What type of association does this graph have?

• positive 
• negative
• none
• all of the above

Tags

CCSS.HSF-LE.A.1B

What is a scatter plot?

• A graph that shows the relationship of two data sets.
• A graph drawn using rectangular bars to show how large each value is.
• A graph that shows information that is connected in some way.
• A graph that shows data changing over time.

Tags

CCSS.8.SP.A.1

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

• 35

• 50

• 30

• 20

Which variables would the scatter plot most likely to represent?

• A. The number of siblings a person has and the person’s GPA

• B. The number of guests at a hotel and the total water consumption

• C. The total number of miles driven and the total gallons of gas used

• D. The number of people at a concert and the total concession sales

Tags

CCSS.8.SP.A.1

Which equation written in slope-intercept form represents the trend line shown on the scatter plot below?

Tags

CCSS.8.EE.B.5