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Monday, April 1, 2019

Monday HW, Quiz Weds.

Tonight please complete AND GRADE the "Inferences for Means: T Tests and Intervals (More Practice)" worksheet provided in class (or below).
  • This provides one more opportunity to practice--we will start class with a chapter 23 quiz on Wednesday!
  • We will also start with a ch. 23 and 25 vocab quiz on Friday!
  • The key (to grade your work) is at the bottom of this post.

Today's Class Recap:
  • Stamp = Find p-values given a standardized test statistic
  • HW Q's? Mistake in key...parameter = 4.09al)?
  • Critical Thinking Questions (Slide) in our notes....
    • How do we find a p-value given only the standardized test statistic and info about the Ha? 
    • How do critical values compare for t v. Normal model for a given level of confidence?
  • How do we check our conditions if a sample is not "large enough?"
    • Sketch a distribution (histogram, stemplot, dotplot), must be unimodal and roughly symmetric
    • Looked at context from last two slides
  • Tuesday: ch. 25 notes (paired t tests)
  • Weds: ch. 23 quiz, more ch. 25 notes
  • Thurs: more ch. 25
  • Fri: ch. 23/25 vocab quiz, finish ch. 25
  • April Break: TAKE HOME TEST = AP EXAM PREP!

Here's the key so you can grade tonight's hw:



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