The Multi-Vari chart is used to display ANOVA data. This procedure can plot up to 4 factors.
1. Choose ProcessMA > Graphs > Multi-Vari.
2. In Response, select the column containing the response.
3. In Factor 1, select the column containing the first factor levels.
4. In Factor 2, select the column containing the second factor levels.
5. In Factor 3, select the column containing the third factor levels.
6. In Factor 4, select the column containing the fourth factor levels.
7. Check Connect means for Factor 1, to connect factor level 1 means.
8. Check Connect means for Factor 2, to connect factor level 2 means.
9. Check Connect means for Factor 3, to connect factor level 3 means.
10. Click OK.
Note To select a column of data into a textbox, double-click on any of the column names shown in the list on the left of the dialog box while in the textbox.
Response: Numeric.
Factor 1: Text or Numeric; Must have the same number of data points as the response.
Factor 2: Text or Numeric; Must have the same number of data points as the response.
Factor 3: Text or Numeric; Must have the same number of data points as the response.
Factor 4: Text or Numeric; Must have the same number of data points as the response.
You conducted an experiment to study how well organisms multiple in different temperatures and in the presence of different catalysts. You prepared 18 dishes of organisms and placed them at three different temperatures and added three different types of catalyst. You recorded the number of organism in each dish after 10 days. You want to visualise the data to see if there are any trends and interactions.
1. Open worksheet ProcessMA > Tools > Data Files > Stat.xls.
2. Choose ProcessMA > Graphs > Multi-Vari.
3. In Response, select P – Organism.
4. In Factor 1, select Q – Temperature.
5. In Factor 2, select R – Catalyst.
6. Click OK.
