Practice Scatter Plots PART 2

Front

What is a scatter plot?

Back

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

Front

What does it mean if a scatter plot has no association?

Back

It means that the ordered pairs have no predictable pattern.

Front

How can you use a scatter plot to make predictions?

Back

You can use a trend line on the scatter plot to estimate values for one variable based on the other.

Front

What is a positive correlation in a scatter plot?

Back

A positive correlation means that as one variable increases, the other variable also increases.

Front

What is a negative correlation in a scatter plot?

Back

A negative correlation means that as one variable increases, the other variable decreases.

Front

What does 'no correlation' mean in a scatter plot?

Back

No correlation means there is no relationship between the two variables; changes in one do not affect the other.

Front

How do you interpret a trend line on a scatter plot?

Back

A trend line shows the general direction of the data points and can be used to predict future values.

Front

What is the purpose of using scatter plots in data analysis?

Back

Scatter plots help visualize relationships between variables and identify patterns or trends.

Front

If a scatter plot shows that more absences lead to lower exam scores, what type of correlation is this?

Back

This is a negative correlation.

Front

What can you infer if a scatter plot shows a steep upward trend?

Back

A steep upward trend indicates a strong positive correlation between the two variables.