Unit 3 Flashcardizz Review: Investigating Data

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 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 increases.

Front

What does the slope of a line in a graph represent?

Back

The slope of a line represents the rate of change of the dependent variable with respect to the independent variable.

Front

What is the equation of a line in slope-intercept form?

Back

The equation of a line in slope-intercept form is y = mx + b, where m is the slope and b is the y-intercept.

Front

How do you find the average rate of change from a linear equation?

Back

The average rate of change can be found by identifying the slope (m) in the equation y = mx + b.

Front

What does the y-intercept represent in a linear equation?

Back

The y-intercept represents the value of y when x is 0, indicating where the line crosses the y-axis.

Front

What is the meaning of the term 'independent variable'?

Back

The independent variable is the variable that is manipulated or changed in an experiment, often represented on the x-axis.

Front

What is the meaning of the term 'dependent variable'?

Back

The dependent variable is the variable that is measured or observed in an experiment, often represented on the y-axis.

Front

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

Back

No correlation means that there is no discernible relationship between the two variables; the data points do not show a pattern.

Front

How can you determine the best fit line for a scatter plot?

Back

The best fit line can be determined by visually assessing the line that minimizes the distance between itself and all data points.