How big a sample? Quiz: answer key
Every answer, with a link to its step-by-step solution
| # | Answer | Level | Solution |
|---|---|---|---|
| 1 | A n = 217 | Easy | Solved step by step |
| 2 | n = 68 | Easy | Solved step by step |
| 3 | B n = 107 | Easy | Solved step by step |
| 4 | n = 68 | Easy | Solved step by step |
| 5 | B n = 62 | Medium | Solved step by step |
| 6 | n = 752 | Medium | Solved step by step |
| 7 | B n = 385 | Medium | Solved step by step |
| 8 | n = 97 | Harder | Solved step by step |
| 9 | D n = 1037 | Harder | Solved step by step |
| 10 | n = 2401 | Harder | Solved step by step |
Grade
Count your right answers and divide by the number of questions: A 90% or more, B 80%, C 70%, D 60%, F below 60%.