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Does the residual plot show that the line of best fit is appropriate for the data?
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What is a straight line that best fits the data on the coordinate plane?
The straight line that best fits the data on a coordinate plane is the Line Of Best Fit.
What do the x's on a line plot means?
They are the data points, plotted on the appropriate coordinates!
When is line diagram more appropriate than a frequency polygon?
For ungrouped data.
What does it mean to say that a data point has a residual of -1?
The point lies 1 unit below the regression line.
Why does best fit line does not touch all data points?
Because the "best fit" line is usually required to be a straight line, but the data points are not all on one straight line. (If they were, then the best-fit line would be a real no-brainer.)
What does it mean to say that a data point has a residual of zero?
The point lies directly on the regression line.
What does it mean to say that data point has a residual of one?
The point lies 1 unit below the regression line.
What would be an appropriate scale for a line graph displaying data?
A title.
What does it mean to say that a data point has a residual of negative one?
The point lies one unit below the regression line.
What is a straight line that best fits the data on the coordinate plane?
The straight line that best fits the data on a coordinate plane is the Line Of Best Fit.
What do the x's on a line plot means?
They are the data points, plotted on the appropriate coordinates!
When is line diagram more appropriate than a frequency polygon?
For ungrouped data.
What graph would be best for a quantity that changes frequently from month to month?
Depending on how long the data set is, a bar chart or a line chart may be appropriate.
What does it mean to say that a data point has a residual of -1?
The point lies 1 unit below the regression line.
Why does best fit line does not touch all data points?
Because the "best fit" line is usually required to be a straight line, but the data points are not all on one straight line. (If they were, then the best-fit line would be a real no-brainer.)
A line that best fits the data points on a scatter plot?
A straight line which best describes the data on a scatter plot is called a "line of best fit". The line could pass through some of the points, all of them, or none of them.
What does a line of best fit allow you to do?
A line of best fit allows one to track the trend in their data. It is particularly helpful when one's data is scattered.
