Scatter Plot P5

Front

What is a scatter plot?

Back

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

Front

What does a positive correlation indicate in a scatter plot?

Back

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

Front

What does a negative correlation indicate in a scatter plot?

Back

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

Front

What is a line of best fit?

Back

A line of best fit is a straight line that best represents the data on a scatter plot, showing the overall trend of the data points.

Front

What does 'm' represent in the equation y=mx+b?

Back

In the equation y=mx+b, 'm' represents the slope of the line.

Front

What does 'b' represent in the equation y=mx+b?

Back

In the equation y=mx+b, 'b' represents the y-intercept, the point where the line crosses the y-axis.

Front

How can you determine if a scatter plot shows a positive relationship?

Back

A scatter plot shows a positive relationship if the data points trend upwards from left to right.

Front

How can you determine if a scatter plot shows a negative relationship?

Back

A scatter plot shows a negative relationship if the data points trend downwards from left to right.

Front

What is the purpose of a trend line in a scatter plot?

Back

The purpose of a trend line is to summarize the relationship between the variables and make predictions.

Front

What is the difference between correlation and causation?

Back

Correlation indicates a relationship between two variables, while causation indicates that one variable directly affects the other.