mean variance and sd

mean variance and sd - John M. Ackroff 2008 Quantitative...

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Unformatted text preview: John M. Ackroff 2008 Quantitative Methods in Psychology (01-830-200) Dr. John Ackroff www.rci.rutgers.edu/~ackroff/QM Lectures: Tuesdays and Thursdays, 6:40 8:00 PM, HLL 114 Recitation Sections (starting Feb 4): Section 10: Tuesdays, 3:20 4:40 PM, SEC 210 Section 11: Tuesdays, 5:00 6:20 PM, SEC 209 Section 12: Thursdays, 5:00 6:20 PM, SEC 209 Section 13: Thursdays, 8:10 9:30 PM, SEC 117 John M. Ackroff 2008 A few leftovers Grading Cutoff-points for each grade (A, B+, B, ) are determined for each TAs sections by looking at the distribution of total point scores at the end of the semester. Extra credit points are added to you total after we make these determinations. John M. Ackroff 2008 Chapter 1 The Basics The Mean, the Number of Observations, the Variance, and the Standard Deviation John M. Ackroff 2008 Where do we start? Observations -> data Collection: data set Distribution Statistics organize and explain the data Descriptive statistics summarize Inferential statistics allow us to draw conclusions Samples vs. populations Representativeness...
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This note was uploaded on 04/05/2008 for the course PSYCH 200 taught by Professor Ackroff during the Spring '08 term at Rutgers.

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mean variance and sd - John M. Ackroff 2008 Quantitative...

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