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54Complete problems only, with worked solutions first. Show everything
| # | Title | Difficulty | |
|---|---|---|---|
| 132025 | Test of Two Variances · Exercise 5 | Medium | |
| 132027 | Test of Two Variances · Exercise 7 | Medium | |
| 132031 | Test of Two Variances · Exercise 11 | Medium | |
| 132035 | Test of Two Variances · Exercise 15 | Medium |
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