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Monday, February 11, 2019

Take Home Quiz and Vocab Quiz!

Tonight you have 2 responsibilities:

1.) Complete your take home quiz (see below if you were out)
  • Get this done tonight! Don't wait and hope for a snow day then end up getting a 0! Be responsible!
2.) STUDY--we will start class with our chapter 18 vocab quiz tomorrow (or the next time I see you)!
  • Quiz = 15 matching vocab AND....
  • 2 contexts where you have to determine which condition does not pass....
  • Here's the chapter 18 vocab list:
    • Sampling Distribution
    • Sample Statistic
    • Population Parameter
    • Sampling Variability
    • Sampling Distribution for Means (for what type of data)?
    • Sampling Distribution for Proportions(for what type of data)?
    • Know which conditions we use for each type of sampling distribution
    • 10% Condition: how do we check it and why do we check it?
    • Success/Failure Condition: how do we check it and why do we check it?
    • Randomization condition: how do we check it and why do we check it?
    • Large Enough Sample condition: how do we check it and why do we check it?
    • Standard Error
    • Central Limit Theorem
    • Know how changing sample size affects standard deviation
Here's the take home quiz in case you lost yours or were out:


Today's Class Recap:
  • Stamp = Sampling Distribution Math!
  • Wrapped up  ch. 18 Notes:
    • Definition of a sampling distribution
    • When do we use sampling distribution formulas?
    • Looked at an example of the 68/95/99.7 rule with sampling distributions
    • Discussed/explored how increasing/decreasing n affects standard deviation
      • Also discussed "diminishing returns"
  • Intro to ch. 19 (notes):
    • What is a confidence interval?
    • Why do we use a confidence interval?
    • What are the steps for any confidence interval free response? 

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