8.SP.1-3 Flashcard Retake

Front

What is a positive correlation in a graph?

Back

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

Tags

CCSS.HSS.ID.B.5

Front

What is a negative correlation in a graph?

Back

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

Tags

CCSS.HSS.ID.B.5

Front

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

Back

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

Tags

CCSS.HSS.ID.B.5

Front

How can you predict values using a trend line?

Back

You can use the trend line to estimate the value of one variable based on the value of another variable.

Tags

CCSS.8.SP.A.3

Front

What is a scatter plot?

Back

A scatter plot is a graph that shows the relationship between two quantitative variables.

Front

What does the slope of a line represent in a linear equation?

Back

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

Tags

CCSS.8.EE.B.5

Front

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

Back

The equation is y = mx + b, where m is the slope and b is the y-intercept.

Tags

CCSS.8.F.A.3

CCSS.8.EE.B.6

Front

What is the y-intercept in a linear equation?

Back

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

Front

How do you determine the best-fitting line for a set of data?

Back

The best-fitting line minimizes the distance between the line and all the data points.

Tags

CCSS.8.SP.A.2

Front

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

Back

A trend line helps to visualize the overall direction of the data and make predictions.

Tags

CCSS.8.SP.A.2