Association Scatter Plots

Which scatter plot appears to be linear

• Scatter Plot A

• Scatter Plot B

Tags

CCSS.8.F.A.3

What does it mean when two variables have a positive association?

• When the variables move in opposites directions, one increases and the other decreases.

• When the first variables has no effect on the second variable

• When the variables move in the same direction. They both increase.

If a straight line can be drawn to follow the overall trend of a scatter plot, it is _.

• linear

• strong

• weak

• nonlinear

Tags

CCSS.8.F.A.3

Label the type of association shown by the scatter plot as positive, negative or none.

• positive

• negative

• none

What type of correlation does this graph have?

• positive

• negative

• none

• all of the above

What type of association does this graph have?

• positive

• negative

• none

• all of the above

Label the type of association shown by the scatter plot as positive, negative or none.

• positive

• negative

• none

If a scatterplot has no correlation then...

• ...it has no ordered pairs

• ...it has ordered pairs that have a negative pattern

• ...its ordered pairs have no predictable pattern

• ...if it makes a lion on a graph (roar!)

Based on the scatter plot, which statement best describes the trend?

• As the daily temperature increases, the number of beach visitors increases.

• as the daily temperature decreases, the number of beach visitors increases.

• As the daily temperature increases, there is no change in the number of beach visitors

• As the daily temperature increases, the number of beach visitors decreases

The scatter plot below shows the number of books read by students in Mrs. Hall’s English class and their final grades. Which statement represents the best description about the line of best fit?

• The more books students read, the lower their English grade.

• The more books students read, the higher their English grade.

• The fewer books students read, the higher their English grade. 

• No relationship exists between the number of books students read and their English grades. 

Tags

CCSS.HSF.LE.B.5