scatter plots

What is the type of correlation?

• Negative 
• no association
• positive 

Tags

CCSS.HSF-LE.A.1B

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books.  Use the trend line to predict how many chapters would be in a book with 180 pages. 

• 12 chapters
• 15 chapters
• 18 chapters
• 21 chapters

Tags

CCSS.HSA.CED.A.2

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.7

You are analyzing a scatter plot that has a negative correlation. What is true of the of the x and y values?

• As x increases, y decreases
• As x increases, y increases
• As x decreases, y decreases

Tags

CCSS.HSF-LE.A.1B

About how many male math teachers were there in 2006?

• 15
• 30
• 35
• 45

Tags

CCSS.HSF.IF.B.4

1.  Mrs. Collins made a scatterplot to show the relationship between the number of absences and a student’s final exam score. Based on this scatterplot, a student with 6 absences should get approximately what score on the final exam? 

• 65
• 92
• 70
• 76

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.7

What would the correlation be between math grades and the time it takes to run a mile ?

• Positive Correlation
• Negative Correlation
• No Correlation
• Cannot Be Determined

Tags

CCSS.HSF-LE.A.1B

A trend line that shows the most accurate relationship between x and y describes...

• linear regression
• no correlation
• trend line
• line of best fit

Tags

CCSS.8.SP.A.2

Select the statement that best describes the line.

• The line is the line of best fit.
• The line is NOT a line of best fit because it does not go through the origin.
• The line is NOT a line of best fit because it does not go through the middle of the data set.

Tags

CCSS.8.EE.B.5

Rich is a member of a gym. He pays a monthly fee plus a per-visit fee. The equation below represents the monthly amount Rich pays for his membership to the gym per month for x visits.
y=3x+10
What does the y-intercept of the graph of this equation represent?

• The monthly fee
• How much Rich pays per visit
• The number of times Rich goes to the gym
• The total cost at the end of the month

Tags

CCSS.HSF.LE.B.5

Adrianna has $20 in her savings account. Each week she will add $5 to it. Which equation represents this situation?

• y=25x
• y=20x+5
• y=5x+20
• y=5x

Tags

CCSS.6.EE.C.9