Week 10 Module Assessment

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 pages would be in a book with 6 chapters. 

• ≅100 pages
• ≅170 pages
• ≅60 pages
• ≅20 pages

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.7

CCSS.HSA.CED.A.2

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.HSS.ID.B.6

CCSS.HSS.ID.C.8

About how many male math teachers will there be in 2016?

• 35
• 46
• 52
• 70

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

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

Which sentence describes the relationship shown on this scatter plot?

• As the temperature decreases, the visitors increase. 
• As the temperature increases, the number of visitors increases. 
• As the visitors increase, the temperature decreases. 
• No correlation

Tags

CCSS.HSS.ID.B.6

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.HSS.ID.B.6

CCSS.HSS.ID.C.7

CCSS.HSS.ID.C.8

If a scatterplot has no correlation then...

• ...it has no ordered pairs

• ...the scatter plot would have a negative correlation coefficient

• ...its ordered pairs have no predictable pattern

• ...it follows a trend line

Find the slope for the trend line using points (2,2) and (4,3)
Use m= (Y2-Y1)/(X2-X1)

• 2
• 1/2
• -2
• -1/2

A ___________ is a group of data points that crowd near each other.

• skewed left
• symmetrical
• peak
• cluster

A point far away from the other data points is considered an ?

• cluster
• peak
• outlier
• variety