Preparing your Lab
AllScienceTools
AllScienceTools
Z-table, T-table.
Mastering Statistical Tables (Sheet) is a key step in your Reference Materials journey. We built this Statistical Tables (Sheet) to be your personal study assistant—helping you solve problems step-by-step, verify your homework answers, and build confidence before exams.
This tool handles the computation, allowing you to focus on the underlying logic and problem-solving strategies. It is particularly useful for verifying hand-written work and exploring different problem scenarios instantly.
Instant, high-precision results
Mobile-friendly interface
Ad-free study environment
Step-by-step logical verification
Understanding Statistical Tables (Sheet) is fundamental. Our calculator uses standard algorithms aligned with academic curriculums to ensure the results match what you need for your classes.
| Confidence Level | 90% | 95% | 99% |
|---|---|---|---|
| Alpha (α) | 0.10 | 0.05 | 0.01 |
| Critical Value (Z_α/2) | 1.645 | 1.960 | 2.576 |
| One-Tail (Z_α) | 1.282 | 1.645 | 2.326 |
| df / α | 0.10 | 0.05 | 0.025 | 0.01 |
|---|---|---|---|---|
| 1 | 3.078 | 6.314 | 12.71 | 31.82 |
| 5 | 1.476 | 2.015 | 2.571 | 3.365 |
| 10 | 1.372 | 1.812 | 2.228 | 2.764 |
| 30 | 1.310 | 1.697 | 2.042 | 2.457 |
| ∞ | 1.282 | 1.645 | 1.960 | 2.326 |
* df = degrees of freedom (n-1)