Correlations (9.1)

What kind of correlation is this?

• Positive
• Negative
• No correlation

Rank these scatter plots according to the intensity of the correlation represented, from weakest to strongest.

• 1, 2, 3, 4
• 2, 4, 3, 1
• 4, 3, 2, 1
• 1, 3, 4, 2

The correlation coefficient, is always between ___ and ___.

• 0 and 1
• -1 and 1 
• -1 and 0
• 0 and 10

Tags

CCSS.HSS.ID.C.8

A perfect negative correlation has a correlation coefficient of ____. 

• 1
• -1
• 0
• 10

If there is NO correlation between 2 variables, the correlation coefficient is ____. 

• 1
• -1
• 0
• 10

What kind of correlation is this?

• Positive
• Negative
• No correlation

Describe the correlation in the graph shown.

• Strong Negative
• Weak Positive
• Weak Negative
• Strong Positive

What can we determine about the relationship between two variables from the correlation coefficient? 

• Style + Type
• Percentage + Direction
• Strength + Direction
• Strength + Style

Attendance & college GPA's have a correlation coefficient of -0.89...this indicates a ______ correlation.

• Strong positive 
• Weak positive 
• Strong negative 
• Weak negative 

Which of the following represents the STRONGEST correlation?

• -.03
• +.5
• +.03
• -.79