Homework Answers
| Observation 1 | Observation 2 | Observation 3 | Observation 4 | Range |
| 0.351 | 0.356 | 0.348 | 0.349 | 0.008 |
| 0.347 | 0.345 | 0.353 | 0.349 | 0.008 |
| 0.351 | 0.357 | 0.342 | 0.35 | 0.015 |
| 0.349 | 0.348 | 0.355 | 0.354 | 0.007 |
| 0.354 | 0.351 | 0.361 | 0.349 | 0.012 |
Average range (CL for R) = 
= (0.008+ 0.008+ 0.015 + 0.007 + 0.012)/5 = 0.010
=> Less than or
equal to 0.015.
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