Scatter Plots Review

Front

What is a scatter plot?

Back

A scatter plot is a type of graph that shows the relationship between two variables by displaying data points on a two-dimensional grid.

Front

What does the line of best fit represent in a scatter plot?

Back

The line of best fit represents the trend in the data, showing the general direction that the data points follow.

Front

What is positive correlation?

Back

Positive correlation occurs when an increase in one variable leads to an increase in another variable.

Front

What is negative correlation?

Back

Negative correlation occurs when an increase in one variable leads to a decrease in another variable.

Front

What does no correlation mean?

Back

No correlation means there is no apparent relationship between the two variables being studied.

Front

How can you identify a strong positive correlation in a scatter plot?

Back

A strong positive correlation is identified when the data points closely follow an upward trend.

Front

How can you identify a strong negative correlation in a scatter plot?

Back

A strong negative correlation is identified when the data points closely follow a downward trend.

Front

What is the purpose of the correlation coefficient?

Back

The correlation coefficient quantifies the strength and direction of a relationship between two variables.

Front

What does it mean if the correlation coefficient is close to 1?

Back

If the correlation coefficient is close to 1, it indicates a strong positive correlation.

Front

What does it mean if the correlation coefficient is close to -1?

Back

If the correlation coefficient is close to -1, it indicates a strong negative correlation.