n=78102.056and59.944when 𝜎isunknown99% CIiswiderhow mucherror weEXPECTto makeFalse.KeepType Ierror incheckt=-1.22CV=±3.182We knowwhat 𝜎 is.No need toestimatez-testformeansz-test forproportionst-test with15degrees offreedomNo. Onlyuse when𝜎 isknown.0.055and0.145How mucherror wearemakingNominalt-testformeansNo reliable wayto see howmuch errormade orlikelihood ofbeing correctt=-2.66CV=±3.182Sampleaverage orconfidenceintervalCV=±1.96z=-2.95z=-0.625CV=±1.96Makesstandarderrorsmallen=78102.056and59.944when 𝜎isunknown99% CIiswiderhow mucherror weEXPECTto makeFalse.KeepType Ierror incheckt=-1.22CV=±3.182We knowwhat 𝜎 is.No need toestimatez-testformeansz-test forproportionst-test with15degrees offreedomNo. Onlyuse when𝜎 isknown.0.055and0.145How mucherror wearemakingNominalt-testformeansNo reliable wayto see howmuch errormade orlikelihood ofbeing correctt=-2.66CV=±3.182Sampleaverage orconfidenceintervalCV=±1.96z=-2.95z=-0.625CV=±1.96Makesstandarderrorsmalle

Test #2 Bingo Card - Call List

(Print) Use this randomly generated list as your call list when playing the game. There is no need to say the BINGO column name. Place some kind of mark (like an X, a checkmark, a dot, tally mark, etc) on each cell as you announce it, to keep track. You can also cut out each item, place them in a bag and pull words from the bag.


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  1. n=78
  2. 102.056 and 59.944
  3. when 𝜎 is unknown
  4. 99% CI is wider
  5. how much error we EXPECT to make
  6. False.
  7. Keep Type I error in check
  8. t=-1.22 CV=±3.182
  9. We know what 𝜎 is. No need to estimate
  10. z-test for means
  11. z-test for proportions
  12. t-test with 15 degrees of freedom
  13. No. Only use when 𝜎 is known.
  14. 0.055 and 0.145
  15. How much error we are making
  16. Nominal
  17. t-test for means
  18. No reliable way to see how much error made or likelihood of being correct
  19. t=-2.66 CV=±3.182
  20. Sample average or confidence interval
  21. CV=±1.96 z=-2.95
  22. z=-0.625 CV=±1.96
  23. Makes standard error smalle