Result Information
Result ID
186
Type
T Test
Status
completed
Dataset ID
706
Created
2026-09-21 02:16:40.616341
Statistical Test Result
Test
t test — Student's t-test (equal variances assumed)
Statistic
11.8188
p-value
8.088e-16
Interpretation
significant Significant at alpha=0.05 (p=8.088e-16).
Value Column
value
Group Column
group
Groups
high (n=25) low (n=25)
Effect size
cohens d = 3.3429
Assumptions
  • Shapiro-Wilk, group high: W=0.9855, p=0.9688 — normal
  • Shapiro-Wilk, group low: W=0.9784, p=0.8518 — normal
  • Levene's test (equal variances): p=0.6414
Group descriptives
GroupnMeanSDMedianMinMax
high 25 13.6068 0.8771 13.4861 11.9326 15.6286
low 25 10.4711 0.9953 10.4470 8.6869 12.2762
Interactive group boxplot
Figures
Distribution by group — cohens d = 3.343 Download PNG
Distribution by group — cohens d = 3.343
Group means (95% CI) Download PNG
Group means (95% CI)
Pathway Analysis (same dataset)

Method & Provenance

Method
Student's / Welch's t-test
Method key
t_test (result type: statistical_test, result #186)
Engine
Python · scipy v1.17.1
Dataset(s)
#706 gallery — example_posthoc_two_groups.csv
Status
completed
Permanent link
https://cat-g-omxpert.wishartlab.com/results/by-token/60e2706272dd49bb8dfecc7303fb0a48 Bookmark or share this URL — it does not depend on your session.
Created
2026-09-21 02:16:40.616341

Parameters used

ParameterValue
test_typeindependent
value_colvalue
group_colgroup

Execution trace

Reconstructed from the parameters stored with this result — represents the Python/R calls the analysis service made.

from scipy import stats
stat, p = stats.ttest_ind(group_a, group_b, equal_var=<levene>)