Relationships in Data

a connection between two variables where as one variable increases, the other variable also increases

• negative relationship

• positive relationship

• causal relationship

• correlation coefficient

the data is tightly clustered around a best fit line and the correlation coefficient (r) is close to 1 or -1

• strong relationship

• medium effect (goodness of fit)

• foreign key

• correlation coefficient

a change in one of the variables directly causes a change in the other variable

• causal relationship

• correlation

• ability to foresee harm

• dependent variable

A graph with points plotted to show a possible relationship between two sets of data.

• correlation coefficient

• linear model

• scatter plot

• weak relationship

• A

• B

• C

• D

According to the table, what is the relationship between hours studied and grades earned?

• Weak Positive Correlation

• Weak Negative Correlation

• Strong Positive Correlation

• Strong Negative Correlation

What trend will the following scenario give you: The number of hours a person has driven and the number of miles driven

• Positive

• Negative

• No Relationship

• A
• B
• C
• D

• A

• B

• C

• D

• A

• B

• C

• D