<p>In this video I pick a problem from the textbook to work through with you and we calculate residuals and make a residual plot. We then use the residual plot to decide if the linear model is appropriate for the data.You may want to pause the video and enter the data and practice computing residuals along with me.</p>

In this video I pick a problem from the textbook to work through with you and we calculate residuals and make a residual plot. We then use the residual plot to decide if the linear model is appropriate for the data.You may want to pause the video and enter the data and practice computing residuals along with me.

17.Residual plot

These podcasts are for students interested in learning or reviewing topics in an introductory statistics class. Podcast topics include describing and summarizing data both graphically and numerically, probability, various distributions, confidence intervals, tests of significance, and exploration of bivariate data. 
This show focuses more on practice with using a graphing calculator and Microsoft Excel and less of the formulaic approach. 
Some of the podcasts are raw (unedited) clips from a live classroom. This course, taught on campus twice per week for 100 minutes, was recorded at the Lancaster Campus of Harrisburg Area Community College. 
This course requires the use of a graphing calculator such as a TI-83 or TI-84 and Excel.

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These podcasts are for students interested in learning or reviewing topics in an introductory statistics class. Podcast topics include describing and summarizing data both graphically and numerically, probability, various distributions, confidence intervals, tests of significance, and exploration of bivariate data. This show focuses more on practice with using a graphing calculator and Microsoft Excel and less of the formulaic approach. Some of the podcasts are raw (unedited) clips from a live classroom. This course, taught on campus twice per week for 100 minutes, was recorded at the Lancaster Campus of Harrisburg Area Community College. This course requires the use of a graphing calculator such as a TI-83 or TI-84 and Excel.

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17.Residual plot

17.Residual plot