Ch 8 and Ch 9 Vocabulary

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Across
  1. 1. percent confidence interval z= 1.645
  2. 4. significant When our P-value is less than the chosen α
  3. 6. nine percent confidence interval z=2.576
  4. 10. level fixed value that we regard as decisive
  5. 11. Null hypothesis
  6. 13. Intervals Use facts about sampling distributions (what would happen in the long run) to express our confidence in the results of any one sample
  7. 16. hypothesis The claim tested by a statistical test
  8. 17. The probability that measures the strength of the evidence against a null hypothesis
Down
  1. 2. of a confidence interval We are C% confident that the interval from _____ to ____captures the actual value of the population parameter in context.
  2. 3. alternative hypothesis
  3. 5. levels 90%, 95%, 99%
  4. 7. of Error How accurate we believe our guess is, based on the variability of the estimate
  5. 8. hypothesis The claim about the population that we are trying to find evidence
  6. 9. it states that a parameter is larger than the null hypothesis value or if it states that the parameter is smaller than the null value.
  7. 10. Inference Provides methods for drawing conclusions about a population from sample data
  8. 12. states that the parameter is different from the null hypothesis value (it could be either larger or smaller).
  9. 14. inference Using probability to express the strength of our conclusions
  10. 15. condition np> 10 & n(1-p)> 10