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Stat > ANOVA > One Way
  1. Select one of the following options:
    1. If the samples are in separate columns, select the Selected columns option and then select the columns containing the samples.
    2. If the samples are in a single column, select the Values in a single column option. Then specify the column containing the samples (Responses in) and the column containing the population labels (Factors in).
  2. Enter an optional Where statement to specify the data rows to be included.
  3. Check the Tukey HSD option and specify a confidence level to perform a post hoc means analysis. The default value of 0.95 will produce 95% confidence intervals for all pairwise mean differences.
  4. Click Compute! to view the results.
This example shows an ANOVA for the time, in minutes, a caller stays on hold before hanging up under three different treatments.

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