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Discuss computed values of r, r-squared and regression model

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Reference no: EM13951170

Mann-Whitney U test (nonparametric)

- Using the variables length of stay (scale) variable and Gender (nominal)

- Conduct a Mann-Whitney U test on the scale variable with the nominal variable as a grouping variable.

- Copy and paste the output in a Word processor in RTF format.

- State the hypothesis to be tested.

- State the reject / not reject decision and conclusion.

2) Kruskal-Wallis H test (nonparametric)

- Create a new variable AGE3 in which ages from 0-59 are recoded as 1, ages 60-69 are recoded as 2, and ages 70 and older are recoded as 3.

- Conduct a Kruskal-Wallis H test on the scale variable 'length of stay' with the new nominal variable as a grouping variable.

- Copy and paste the output in a Word processor in RTF format.

- State the hypothesis to be tested.

- State the reject / not reject decision and conclusion.

3) Chi Square test (nonparametric)

- Choose any two nominal variables from the RENAL.sav file.

- Conduct a Chi Square test of Independence on the two variables, displaying the crosstabulation table.

- Copy and paste the output in a Word processor in RTF format.

- State the hypothesis to be tested.

- State the reject / not reject decision and conclusion.

4) Correlation & Regression

- Choose any two scale variables from the RENAL.sav file.

- Create a scatterplot with regression line.

- Conduct a linear regression analysis and test for correlation.

- Copy and paste the output in a Word processor in RTF format.

- State the hypothesis to be tested.

- Discuss the computed values of R, R-squared and the regression model.

- State the reject / not reject decision and conclusion.

Reference no: EM13951170

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