Page 123-128: 5, 7, 9, 17, 23
- Questions 5,7, and 9 are all based on using z-scores!
- Apply the Empirical Rule or the 68/95/99.7 rule for 17 and 23!
- When asked to draw the Normal model/Empirical rule you should sketch a diagram labeling 3 standard deviations above and below the mean (like our SAT example in class!)
- For more help, read about this rule on page 109, then look at the "working with the 68/95/99.7 rule" example on page 110!
- OR, do some googling--look up some videos or practice about the Empirical or 68/95/99.7 rule!
- OR, watch a video about this rule from the AP Stats Guy or from the videos aligned with our book!
Tomorrow we'll work a little more with this rule and start to expand on it! See you there!
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