Standard deviation, mean, variance, z-scores, t-tests, etc.
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by PM_Admin on Mon Dec 08, 2008 12:05 am
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- population
by yabo2k on Mon Oct 26, 2009 10:58 pm
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on Mon Oct 26, 2009 10:58 pm
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- null hyppthesis
by yabo2k on Mon Oct 26, 2009 9:50 pm
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- probability problem involving time....
by marty.frmn on Sat Oct 24, 2009 8:17 pm
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- probability problem....
by marty.frmn on Sat Oct 10, 2009 6:20 pm
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- Chebyshev's Theorem

by taytay822 on Thu Oct 01, 2009 12:41 am
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on Tue Oct 06, 2009 12:38 pm
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- sample mean, population mean, pop. st. dev. 5000, sample of
by yabo2k on Sun Oct 04, 2009 7:33 pm
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- How to solve mean, median, mode problem
by mrcard on Fri Oct 02, 2009 5:10 pm
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on Fri Oct 02, 2009 6:28 pm
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- standard deviation: Is 2.08166 a normal distribution?
by isabelrachel on Mon Aug 24, 2009 3:45 pm
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on Mon Aug 24, 2009 4:14 pm
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- Find a population data set that contains 6 entries has a mea

by nicknation on Mon Aug 03, 2009 12:20 am
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on Sat Aug 15, 2009 5:39 pm
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- A study was conducted related to purchases of a new product

by FWT on Fri Jul 24, 2009 8:01 pm
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on Tue Jul 28, 2009 5:49 pm
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- 95% conf. int. for prop. of pop. w/ wife taller than hubby

by maggiemagnet on Wed Jun 24, 2009 4:21 pm
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on Wed Jun 24, 2009 6:46 pm
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- [SPLIT] test score was in top 20%: z-score is at least...?

by ivonagui on Mon Jun 15, 2009 6:39 pm
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on Mon Jun 15, 2009 7:03 pm
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- Probability- norm. distributed-mean 138, standard dev. 9.7

by ShortStuff on Wed May 27, 2009 4:10 pm
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on Wed May 27, 2009 7:07 pm
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- Measure of Dispersion

by TUrtez on Tue May 19, 2009 5:10 am
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on Tue May 19, 2009 4:11 pm
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- statistics: relative frequency from contingency table

by k281127 on Tue May 19, 2009 12:04 am
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on Tue May 19, 2009 2:13 am
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- A recent study indicated that 20% of adults exercise... Find

by FWT on Sat May 16, 2009 10:55 pm
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on Mon May 18, 2009 5:18 pm
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- Chebyshev's Theorem: percent between 120 & 150 for mu = 135

by maggiemagnet on Fri Apr 24, 2009 1:07 pm
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on Sun Apr 26, 2009 8:19 pm
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- box plots: how can you tell if plot is skewed left, right?

by oif.3 on Tue Apr 14, 2009 11:04 pm
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on Tue Apr 14, 2009 11:10 pm
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- what range represents the middle 95% of the distribution?

by FWT on Sun Apr 05, 2009 5:03 pm
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on Fri Apr 10, 2009 6:27 pm
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- mean score 500, standard dev. 75, score in 75th percentile

by FWT on Wed Mar 18, 2009 2:48 pm
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on Sat Mar 28, 2009 9:39 pm
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- how to do probability with a dart board thats R=9in, r=5in

by FWT on Sat Mar 07, 2009 6:45 pm
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on Wed Mar 11, 2009 12:07 pm
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- mean score for class is 100 with standard deviation of 15

by maggiemagnet on Sat Feb 28, 2009 10:54 pm
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on Sun Mar 01, 2009 7:08 pm
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- drawing pie charts ("circle graphs")

by maggiemagnet on Sat Feb 14, 2009 9:07 pm
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on Sun Feb 15, 2009 2:14 pm
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- Zstat,c formula-understanding a symbol "l"

by surfnshred on Sun Jan 25, 2009 9:22 pm
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on Sun Jan 25, 2009 11:33 pm
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