U7D12 Correlation Coefficient

Front

What does a correlation coefficient of 0.92 indicate?

Back

There is a strong positive correlation between studying and grades.

Front

What does a correlation coefficient of -0.87 indicate?

Back

There is a strong negative correlation between exercise and blood pressure.

Front

Estimate the correlation coefficient: r = ?

Back

r = -0.98

Front

What does a correlation coefficient of r = 0.25 indicate?

Back

Weak Positive correlation.

Front

Which correlation coefficient indicates a stronger linear relationship: r = 0.65 or r = -0.78?

Back

r = -0.78.

Front

What is the range of correlation coefficients?

Back

The range is from -1 to 1.

Front

What does a correlation coefficient of 1 indicate?

Back

Perfect positive correlation.

Front

What does a correlation coefficient of -1 indicate?

Back

Perfect negative correlation.

Front

What does a correlation coefficient of 0 indicate?

Back

No correlation.

Front

How does a strong positive correlation appear on a scatter plot?

Back

Data points cluster around a line that slopes upwards.