AP Statistics Chapters 8 & 9 Vocabulary

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Across
  1. 6. when the value of a variable is determined by a chance event
  2. 7. occurs when Ho is not rejected when Ho is false
  3. 11. when the p-value is less than the chosen significance level a
  4. 15. assesses the evidence provided by data about some claim concerning a population
  5. 16. two events are this when the occurence of one does not effect the probability of the occurence of the other
  6. 17. found by subtracting 1 from n
  7. 18. tells how close the estimate tends to be to the unknown parameter in repeated random sampling
  8. 19. sampling distribution of the t statistic
Down
  1. 1. occurs if Ho is rejected when it is true
  2. 2. claim tested by a statistival test
  3. 3. measures how far a sample statistic diverges from what we would expect if the null hypothesis were true
  4. 4. a statistic that provides an estimate of a population parameter
  5. 5. the probability that the test will reject Ho at a chosen significance level a when the specified alternative value of the parameter is true
  6. 8. estimate the value of a point estimator
  7. 9. probability that the statistic would take a value as extreme or more extreme than the one actually observed
  8. 10. an interval calculated from sample data
  9. 11. the result when the atandard deviation of a statistic is estimated from data
  10. 12. the claim about the population that we are trying to find evidence for
  11. 13. the success rate of the method that produces the confidence interval in C% of all samples
  12. 14. study designs that involve making two observations on the same individual