Scatterplots Word Examples

What best describes this association?

• positive non linear weak

• positive linear strong

• negative moderate non linear

• no association

describe the association

• Positive linear weak

• positive linear strong

• Positive non linear strong

• positive linear moderate

What type of relationship does this graph show?

• Positive

• Negative

• No Relationship

• Constant 

What type of relationship does this graph have?

• Positive 

• Negative

• No Relationship

• Constant

Based on this scatterplot, approximate what score should a student who attended class 22 days expect to receive on the exam?

• 84

• 71

• 95

• 75

Find the equation of the line of best fit for this table.

• y = -2.28x + 51.08

• y = 51.08x - 2.28

• y = 0.06x - 0.26

• y = -2.28x - 0.26

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

Predict how much money is spent at the mall if you were to be there for 7 hours.

• $30

• $35

• $40

• $45

Mr. Thomas wanted to know if the amount of class time that he gave students to study affected their test scores.  What kind of relationship between class study time and test scores is shown on the scatter plot.

• No correlation

• Positive correlation

• Negative correlation

• Positive then negative correlation

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.