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Normal Distributions and Standard Deviation

Normal Distributions and Standard Deviation. IMP4 Ms. Sia 10-22-08. Today’s Agenda. Bell ringer (mental math) Review Graphing Distributions p. 394 Normal Areas p. 397 The Normal Table p. 398-399 Notes p. 387-391 and HW8 p. 400-401 due Thursday, October 23rd. Announcements.

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Normal Distributions and Standard Deviation

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  1. Normal Distributions and Standard Deviation IMP4 Ms. Sia 10-22-08

  2. Today’s Agenda • Bell ringer (mental math) • Review Graphing Distributions p. 394 • Normal Areas p. 397 • The Normal Table p. 398-399 • Notes p. 387-391 and HW8 p. 400-401 due Thursday, October 23rd

  3. Announcements • ACT math session TOMORROW during 8th and 9th periods in the library • HW Hall today and tomorrow until 4:30pm

  4. This week’s vocabulary • Normal distribution • Standard deviation • Interval • z • Area under the curve

  5. Graphing Distributions p. 394 • m affects the curve by • s affects the curve by

  6. Normal Areas p. 397 • We’ve looked at how the normal curve moves, now let’s look at the area under the normal curve. • In this assignment, we’re examining the standard normal curve, where m=0 and s=1. • We know the areas under the normal curve within 1 and 2 standard deviations about the mean. • Can we estimate areas within other intervals?

  7. Tonight’s HW • HW8 p. 400-401 is due tomorrow at the beginning of class. • Notes p. 387-391 are due tomorrow at the beginning of class.

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