Residuals, Correlation Coefficients and Vocab Review

Front

What type of association does a graph show when there is no clear trend?

Back

None

Front

What is the ratio of the frequency in a particular category divided by the total number of data values?

Back

Joint Relative Frequency

Front

What do we call a relationship where there is no correlation between two variables?

Back

No correlation

Front

What is a two-way table that displays relative frequencies called?

Back

Two-Way Relative Frequency Table

Front

What term describes a condition where data points in a scatter plot are grouped more in one part of the graph than the other?

Back

Clustering

Front

What is the term for a statistical measure that indicates the extent to which two variables fluctuate together?

Back

Correlation

Front

What type of correlation exists when one variable increases while the other decreases?

Back

Negative correlation

Front

What type of correlation exists when both variables increase together?

Back

Positive correlation

Front

What is the term for a data point that significantly differs from other observations in a dataset?

Back

Outlier

Front

What is the term for the total number of data values in a dataset?

Back

Sample size