t-Test: Two-Sample Assuming Equal Variances Tool z-Test: Two Samples for Means Tool

t-Test: Two-Sample Assuming Unequal Variances Tool

Figure 8-89 t-Test (Unknown and Unequal Variances) Tool Dialog Options

For unpaired variables with unknown and assumed unequal population variances, when you click on “OK”, Gnumeric will test whether the mean of the difference between the paired variables is equal to the given hypothesized mean difference.

Example 8-20 Using the t-Test (Unknown and Unequal Variances) Tool

See Figure 8-90 for an example of a completed dialog and Figure 8-91 for the corresponding output.

Figure 8-90 t-Test (Unknown and Unequal Variances) Example Data
Figure 8-91 Output from the t-Test (Unknown and Unequal Variances) Tool
t-Test: Two-Sample Assuming Equal Variances Tool z-Test: Two Samples for Means Tool