wikiHow Calculating Sample Size Practice Answers 1. 941 2. 385 3. 1,068 4. 385 5. 2,401 6. 2,723 7. 781 8. 271 9. 1,440 10. 89 11. 402 12. 16,729 13. 2,401 14. 392 15. 1,068 16. 97 17. 2,401 18. 1,088 19. 279 20. 864 Note: The sample size calculations may have decimal values that need to be rounded up to the nearest whole number, as the sample size is usually a whole number. The required sample size may also change if different values are used for the variables in the sample size formula. Page