Bivariate Data

What type of association does this graph have?

• positive

• negative

• none

• all of the above

Which scatter plot shows a linear relationship between x and y?

• Graph A

• Graph B

• Graph C

• Graph D

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

What is the correlation between length of running start and distance of jump?

• positive:  the further you run the further you jump

• negative: the less you run the less distance of your jump

• positive: the further your running start the less your distance

Bivariate data involves

• one variable

• two variables

• three variables

• four variables

___ data for two variables.

• trivariate

• bivariate

• positive

• negative

Bivariate data is the study of how many variables?

• 3

• 1

• 2

• 0

Susan recorded the time she ate dinner and the number of calories she consumed during dinner for six consecutive days. The results are shown in the table. Which best describes the association between the time Susan ate dinner and the number of calories she consumed?

• positive

• negative

• irrational

• almost none

Which scatter plot could have a trend line whose equation is y = 3x + 10?

• A

• B

• C

• D

What kind of trend is shown from this scatterplot?

• positive correlation

• negative correlation

• none

• cannot be determind