D14 Line of Best Fit Rev Flashcardizz

Front

What is the y-intercept?

Back

Front

What does the line of best fit represent?

Back

The line of best fit is a straight line that best represents the data on a scatter plot. It minimizes the distance between the line and all the points in the dataset.

Front

What is slope-intercept form?

Back

Front

How do you determine the slope of a line?

Back

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 the purpose of a trend line?

Back

A trend line is used to show the general direction of data points in a scatter plot, helping to identify patterns or trends.

Front

What is the equation of the trend line if the slope is -1/2 and the y-intercept is 6?

Back

Front

What does it mean if a line does not go through the middle of the data set?

Back

If a line does not go through the middle of the data set, it may not accurately represent the overall trend of the data, indicating it is not a line of best fit.

Front

How can you visually identify a line of best fit on a scatter plot?

Back

A line of best fit can be visually identified as the line that best approximates the data points, minimizing the distance from all points to the line.