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HP 9g Instruction Manual
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HP 9g Instruction Manual

HP 9g Instruction Manual

Statistics – non-linear regression
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HP 9g Statistics – Non-Linear Regression
Non-Linear Regression
Practice Solving Non-Linear Regression Problems

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Summary of Contents for HP HP 9g

  • Page 1 HP 9g Statistics – Non-Linear Regression Non-Linear Regression Practice Solving Non-Linear Regression Problems...
  • Page 2 HP 9g Statistics –Non-Linear Regression Non-linear regression In addition to the linear regression (described in the HP 9g learning module Statistics – Linear Regression) the HP 9g provides five more types of regression of a variable y on a variable x, namely: ♦...
  • Page 3 HP 9g Statistics –Non-Linear Regression Practice solving non-linear regression problems Example 1: Enter the following points into your HP 9g as statistical data and plot them. Find the equation that best fits the points. 18.5 12.25 Solution: Let’s first clear any previous data by pressing `1, then select D-CL and press =.
  • Page 4 Example 3: The following data shows the number of AIDS cases diagnosed in the United Sates from the years 1981 to 1994. (From The Spread of AIDS in the United Sates, a data analysis activity for the HP 38G by Michael...
  • Page 5 In order to know what model best fits the data, we’ll find the correlation coefficient associated with each of the models available on the HP 9g (except for the quadratic model because no correlation coefficient is provided. You can plot the resulting quadratic, however, and...