To compute the value of a test statistic, I'll need specific information about the test you're conducting. The formula for the test statistic varies depending on the type of test (e.g., Z-test, t-test, chi-square test, etc.) and the data provided.

Could you please provide the following details:

1. The type of test (e.g., Z-test, t-test, chi-square test, etc.)
2. The sample data or summary statistics (mean, standard deviation, sample size, etc.)
3. Any given hypotheses (null and alternative)
4. The significance level, if relevant.

Once I have this information, I can compute the test statistic accurately for you.