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Math 1332

Math 1332. Possible Project Websites:. Chapter 12.3 Standard Deviation. http://atmo.tamu.edu/osc/norm/. http://www.cdc.gov/nchs/. http://houston.uslakes.info/Level.asp. http://recenter.tamu.edu/data/datahs.html. Rainfall in inches by Week: 1,0,3,4,3,2,3,4,1,4,3,3,2,3,4. Histogram.

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Math 1332

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  1. Math 1332 Possible Project Websites: Chapter 12.3 Standard Deviation http://atmo.tamu.edu/osc/norm/ http://www.cdc.gov/nchs/ http://houston.uslakes.info/Level.asp http://recenter.tamu.edu/data/datahs.html

  2. Rainfall in inches by Week:1,0,3,4,3,2,3,4,1,4,3,3,2,3,4 Histogram Frequency Distribution 8 6 4 2 # of Grades 0 1 2 3 4 Rain in Inches

  3. 12, 15, 18, 16, 9 Find the deviation from the Mean for each number 9 | 12 | 15 | 16 | 18 -5 | -2 | 1 | 2 | 4 12-14 9-14 What is the sum of the deviations? 0

  4. Standard Deviation • Find the Mean • Find the deviation(s) from the mean • Square each deviation • Add the squares • Divide by n-1 • Square root that answer -5, -2, 1, 2, 4 25, 4, 1, 4, 16 25 + 4 + 1 + 4 + 16 = 50

  5. Standard Deviation & the Calculator 12, 15, 18, 16, 9 2nd STAT MATH stdDev L1 (2nd 1) Enter STAT Enter (edit) In L1 Type your data Quit (2nd MODE)

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