Chapter 9 Think-Tac-Toe

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Across
  1. 5. the sample statistic when used to estimate the corresponding population parameter
  2. 6. States that a parameter is larger than the null hypothesis value or if it states that the parameter is smaller than the null value.
  3. 8. in a confidence interval the extent of the interval on either side of the observed statistic value
  4. 9. Process that states parameter, checks conditions, calculations, and interprets.
  5. 11. The claim about the population that we are trying to find evidence for.
  6. 12. The claim we weigh evidence against in a statistical test. Often a statement of "no difference."
  7. 13. Used instead of a z-score when the population standard deviation is unknown.
  8. 14. A range of values used to estimate a variable of interest.
  9. 17. if the p-value is smaller than the alpha at the given level.
  10. 19. the probability that the test will reject the null hypothesis at a chosen significance level alpha when the specified alternative value of the parameter is true
  11. 20. things we must verify before calculations (normal, random, and independent)
Down
  1. 1. we fail to reject the null hypothesis when the alternative hypothesis is true
  2. 2. If the probability calculations involved in procedure remain fairly accurate when a condition for using the procedure is violated.
  3. 3. A statistical property of a large family of distributions. Equals n-1.
  4. 4. States that the parameter is different from the null hypothesis value (it could be either larger or smaller).
  5. 7. When the standard deviation of a statistic is estimated from data.
  6. 10. The probability, computed assuming Ho is true, that the statistic (such as p-hat or x-bar) would take a value as extreme as or more extreme than the one actually observed.
  7. 15. Level of confidence that the interval provides (90%, 95%, 99%)
  8. 16. if we reject the null hypothesis when it is in fact true
  9. 18. measures how far a sample statistic diverges from what we would expect if the null hypothesis were true