Kiana Wood Scatterplot

The scatter plot shows the number of absences in a week for classes of different sizes.  Trevor concluded that there is a positive correlation.  Which statement best describes why Trevor's conclusion was incorrect.

• The largest class does not have the most absences.

• The smallest class does not have the least number of absences.

• The data show no relationship between class size and number of absences.

• The data show a negative relationship between class size and number of absences.

A group of friends recorded the time it took to ride their bikes around the park.  This scatter plot shows their results with the line of best fit.  Which is closest to the number of minutes it would take to complete 9 laps?

• 4

• 5

• 6

• 7

In the scatter plot, does the image shows a "Line of Best Fit"?

• Yes

• No

Tags

CCSS.8.EE.B.5

What type of association does this graph have?

• positive

• negative

• none

• all of the above

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.

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

What type of association does this graph have?

• positive 

• negative

• none

• all of the above

What kind of correlation?

• Strong Positive

• Strong Negative

• Weak Negative

• Weak Positive

Describe the type and strength of the correlation for the following data.

• Strong Positive

• Weak Positive

• Strong Negative

• Weak Negative

Describe the type and strength of the correlation for the following data.

• Strong Positive

• Weak Positive

• Strong Negative

• Weak Negative

Tags

CCSS.HSF-LE.A.1B