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Understanding Normal Distributions and Standard Deviation: Concepts and Homework Overview

In this lesson, we delve into normal distributions and standard deviation, focusing on key concepts such as z-scores, intervals, and the area under the normal curve. The agenda includes reviewing graphing distributions, exploring areas within standard deviations, and using the normal table. Students are reminded of homework (HW8, pp. 400-401) due on October 23rd and announcements of an ACT math session. Vocabulary terms include normal distribution, standard deviation, and interval, essential for understanding statistical analysis.

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Understanding Normal Distributions and Standard Deviation: Concepts and Homework Overview

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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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