11/12 Warm Up

Front

What is an association in statistics?

Back

An association in statistics refers to a relationship between two variables, indicating how one variable may change in relation to another.

Front

What are the types of associations that can exist between variables?

Back

The types of associations include no association, positive association, and negative association.

Front

What does a positive association indicate?

Back

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

Front

What does a negative association indicate?

Back

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

Front

What is a scatter plot?

Back

A scatter plot is a graphical representation that displays the relationship between two quantitative variables.

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, used to make predictions.

Front

How can a line of best fit be used in predictions?

Back

A line of best fit can be used to predict the value of one variable based on the value of another variable.

Front

What is the purpose of using a trend line in data analysis?

Back

The purpose of using a trend line is to identify the general direction of the data points and to make predictions.

Front

How do you interpret the slope of a line of best fit?

Back

The slope of a line of best fit indicates the rate of change between the two variables.

Front

What is the significance of the y-intercept in a line of best fit?

Back

The y-intercept represents the value of the dependent variable when the independent variable is zero.