#130 Bivariate Data Study Guide

Front

What is bivariate data?

Back

Bivariate data involves two variables and is used to determine the relationship between them.

Front

What does a scatter plot represent?

Back

A scatter plot visually represents the relationship between two quantitative variables.

Front

What is a trend line in a scatter plot?

Back

A trend line is a straight line that best represents the data points in a scatter plot, indicating the general direction of the relationship.

Front

How do you interpret a positive correlation in a scatter plot?

Back

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

Front

What does it mean if there is no association in a scatter plot?

Back

No association means that there is no discernible relationship between the two variables.

Front

How do you calculate relative frequency?

Back

Relative frequency is calculated by dividing the frequency of a specific category by the total frequency.

Front

What is the formula for finding the percentage of a group?

Back

Percentage = (Part/Whole) x 100.

Front

How can you predict values using a trend line?

Back

You can predict values by extending the trend line to estimate the value of one variable based on the value of the other.

Front

What does it mean if the number of visitors increases as temperature increases?

Back

It indicates a positive correlation between temperature and the number of visitors.

Front

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

Back

The y-axis typically represents the dependent variable, which is affected by the independent variable on the x-axis.