Data considerations for Tally Individual Variables

To ensure that your results are valid, consider the following guidelines when you collect data, perform the analysis, and interpret your results.

Collect raw data
The raw data are in one column of the worksheet for each variable (each observation in a separate row). You can have multiple variables, one in each column, and the columns can have different numbers of observations.
Missing values are counted, but not included in the calculations
Minitab counts the missing values (*) in each data column, but does not include them in the calculation of the percentages or cumulative counts.
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