Scatter Plots

Front

What is a scatter plot?

Back

A scatter plot is a graphical representation of two variables, showing the relationship between them using dots to represent data points.

Front

What does a positive correlation in a scatter plot indicate?

Back

A positive correlation indicates that as one variable increases, the other variable also tends to increase.

Front

What does a negative correlation in a scatter plot indicate?

Back

A negative correlation indicates that as one variable increases, the other variable tends to decrease.

Front

What is the purpose of the y-axis in a scatter plot?

Back

The y-axis represents the dependent variable, which is the variable being measured or affected.

Front

What is the purpose of the x-axis in a scatter plot?

Back

The x-axis represents the independent variable, which is the variable that is manipulated or controlled.

Front

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

Back

A strong correlation is indicated by data points that are closely clustered around a straight line.

Front

What does it mean if the data points in a scatter plot are widely spread out?

Back

Widely spread out data points indicate a weak correlation between the variables.

Front

What is the significance of the title in a scatter plot?

Back

The title provides context for the data being represented, indicating what the variables are and what the plot is about.

Front

How can outliers affect the interpretation of a scatter plot?

Back

Outliers can skew the perception of the correlation and may lead to misleading conclusions about the relationship between the variables.

Front

What is the correlation coefficient?

Back

The correlation coefficient is a numerical measure that quantifies the strength and direction of a relationship between two variables.