Hypothesis Testing Lab
by ProjectManagerHelper
Paste Excel data → pick a test → get p-values, confidence intervals, and a printable report.
Data Input
Paste data (CSV or tab-separated). Use headers. Examples:
One-sample:
Value
Two-sample independent:
Group,Value
(or wide:
Group A, Group B
)
Paired:
Before,After
(or wide: two numeric columns)
Proportions:
Successes,Trials
(two-sample wide:
A_Successes,A_Trials,B_Successes,B_Trials
)
Chi-square 2×2: rows as groups; columns
Success,Failure
Test Type
One-sample t-test (mean)
Two-sample t-test (independent)
Paired t-test
One-sample z-test (proportion)
Two-sample z-test (proportion)
Chi-square test (independence, 2x2)
One-way ANOVA (k groups)
α (significance)
Run Test
Load Example
Clear
Results
Test
—
p-value
—
Statistic
—
Decision (α)
—
Statistically significant
Not significant
Confidence Interval
—
Group Summary
Visualization
Printable Report
Open Report
Generates a clean, printable HTML report with inputs, summaries, statistics, p-values, and interpretations.