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Instructions, continued

Sample interval = Population of contents / 19

2,146 / 19 = 112.9

1st sample point = a random # between 1 and the sample interval. For example: 25

2nd sample point: first sample point plus sample interval = 112.9 + 25 = 137.9

3rd sample point: second sample point plus the sample interval: 112.9 + 137.9 = 250.8

4th sample point: 112.9 + 250.8 = 363.7

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