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  1. misusing a t-test?
  2. Statistical test, proportional increases and more confusion!
  3. One-sample t-tests and bonferroni
  4. mean/population variance, etc
  5. anova,battery of t-tests or something else?
  6. Time series of two populations - real work not homework
  7. checking the randomness
  8. Test statistic concerning mean comparison of UNKOWN sample distributions?
  9. Central Limit Theorem - Question Help
  10. Help! Data layout and which test?
  11. Logarithm in SAS
  12. Suggest method of analysis
  13. Homework Q.: Regression/equation of the line
  14. multicollinearity and autocorrelation questions
  15. Who Was Right?
  16. terminology help
  17. Plotting PPV vs. NPV, why?
  18. Goodness of fit vs. Calibration, AUC vs. Hosmer-Lemeshow Test?
  19. Creating flags for a variable
  20. Meaning of a random sample.
  21. Test for "spread" of data
  22. Discriminant function analysis
  23. Two Questions
  24. Poisson Probability ?
  25. Independent events
  26. How can you compare to s^2 values from 2 sets of data
  27. Difference between within-subjects effects, and within-subjects contrasts?
  28. Variance of product of two random variables
  29. Tukey's post-hoc for 2-way ANOVA?
  30. Chebyshev's Theorem help
  31. covariance/correlation problem
  32. Looking for a better answer, if there is one (Puzzle)
  33. Expected value of [random variable squared]
  34. data with negative values
  35. Slope, intercepts, and variance of Parallel lines?
  36. Two-Way ANOVA--how to analyze
  37. multivariate regression - how to do it?
  38. Standard Deviation or Response / Prediction - Linear Regression
  39. Categorical Analysis
  40. methods of inference
  41. Logistic regression with continuous variables
  42. just to get this straight
  43. What do YOU mean by "statistically significant"?
  44. Simple correlation question
  45. Sales Impact vs a control Group
  46. z table question
  47. Needed help in statistics
  48. t test minimum sample size
  49. Money in a box problem?
  50. Data Importance/Relationship Analysis
  51. Correlation of two columns
  52. Sample size determination
  53. ChiČ
  54. LMM for within and between subjects
  55. Sampling Plan Design
  56. big difference between sample sizes
  57. Date data type: Qualitative/quantitative?
  58. Z-statistics problem!!! HELP
  59. Repeated measures - appropriate for my study or not?
  60. I cant figure out the number of classes
  61. least squares predictions
  62. I'm stuck with which stats to choose
  63. appropiate transformation for exponential relationship
  64. Testing hypothesis - business statistics
  65. pdf
  66. questions on moment and expectation
  67. challenge problem on prb via expectation
  68. What's between ANOVA and linear model
  69. Hypothesis Analysis- Need Help
  70. I need help with this question?
  71. Help with ANOVA
  72. A few questions
  73. What method
  74. P-Value
  75. Kurtosis & Skewness
  76. Multivariate Fisher information matrix
  77. Repeated measures or linear mixed model
  78. Problem help
  79. Hypothesis Testing (Two-Tailed Test)
  80. H0 true/false question, please help!
  81. calculate the average of the standard error?
  82. APA Report Results Stats help
  83. Correlation Method
  84. ANOVA help
  85. Help with a problem for hypothesis.
  86. Ranking scale (1-10)
  87. Do I have to have more than one case at level one in a multilevel model?
  88. Issues with using composites in linear regression?
  89. Large z-score
  90. Need some help!!!
  91. sphericity and error terms in ANOVA
  92. I need help with expected value, variance,etc
  93. Book for time series & Minitab
  94. Help!
  95. Help!!
  96. Variable type SOS
  97. Econometric Methods
  98. Need Help on paired sample t test - determining involvement level..
  99. Permutation test question
  100. Linear model likelihood derination
  101. any help greatly appreciated
  102. Please help me figure the effects of oil price on my future oil field servicing comp
  103. percentile calculation...HELP
  104. Robustness of Wilcoxon Matched-Pairs Signed-Rank Test
  105. Regression with non-parametric data
  106. Independent or Depedent T Test?
  107. Need to generate table for KS test
  108. How to weight percentages when used as dependent variables...
  109. Chi square correction
  110. Meaning / Interpretation of Central Limit Theorem
  111. Some help please!
  112. Multiple Comparisons - help
  113. Comparison of models
  114. AUC of 2 ROCs significantly different with SPSS?
  115. calculating population variance from sampling distribution variance
  116. Statistics and power law distributions
  117. Adjusting expected variance of a time series for autocovariance
  118. different point-estimates
  119. Help on hw problem
  120. HW problem help
  121. Time as a factor in regression analysis
  122. Confidence Intervals
  123. Regression beta problem
  124. Help Please,before Saturday 10/25/08-Sample Size calculation
  125. Testing Hypotheses/Estimation Question
  126. help me with hw problem plz
  127. Reversing hypothesis testing
  128. Hw problem...mr doubt setting in !!
  129. Statistics Help
  130. Is there any limitation on number of predictors if I run stepwise linear regression
  131. Mixed ANOVA
  132. Significance test between regression models
  133. Poisson
  134. homogeneity of variances
  135. What does a positive t-statistic mean?
  136. ? paired sample comparisons
  137. Using Z table confusion
  138. Tests of Difference
  139. corrections for when you thought of it in Neyman-Pearson
  140. Help! How to interpret t-tests/t values?
  141. Help with crosstabs (or maybe another analysis?)
  142. I do not know what test to use
  143. which software is best to run stepwise linear regression
  144. How important is power analysis?
  145. research/ null hypothesis help
  146. Paired t test and partial regression
  147. F-test???
  148. Help with Mann-Whitney U Test
  149. Stndrd Norm Distrib
  150. Help finding complement
  151. Incremental Risk
  152. Hypothesis!! help
  153. Help with this problem!
  154. Please help with a midterm review question
  155. mean, median
  156. Finding the max?
  157. normal probability
  158. Ungrouped data
  159. Probability (i think quite hard) question...any hints?
  160. Which formula?
  161. Hypothesis testing
  162. what statistical test do I use?
  163. Confidence Interval Question
  164. Normal distribution for Ordinal data
  165. US Department of transportation ,page 552 case problem 2
  166. Methods for estimating effect size before an experiment
  167. need help with stat problem
  168. Help in glm regressions
  169. Mean Squared Error etc etc
  170. SOS Statistics !!!
  171. need help with another stat problem
  172. PCA, FA, CFA, latent variables, and making a scale.
  173. Basic Statistic Question - Please HELP!!!
  174. continuous or descrit
  175. general questions about Power
  176. centering for multi group with ranks
  177. Interpretation of a oneway random-effects Intraclass Correlation Coefficient (ICC)
  178. Estimating effect size in circular statistics
  179. omnibus test
  180. i know what to do, but i can not explain why.
  181. Simple Contrasts
  182. Multiple Comparisons on different ANOVA models
  183. Using regression on psychometric data
  184. Confidence Interval Estimate Question
  185. Where can I find U values
  186. zero-inflated proportion data
  187. logrank test and Kaplan-Meier. is sample size important?
  188. Paired T-test on time series
  189. Which test to use?
  190. jaccard similarity coeff's and lots of zeros...
  191. Confidence interval ratio of variances
  192. standard error and sampling distribution?
  193. I'm stuck on specifying correlations in a mixed model
  194. Is it 2-way ANOVA
  195. One-way ANOVA
  196. Tricky question...can you solve it?
  197. variance of population mean...
  198. Which test to use for this?
  199. What formula should I use?
  200. Would I use the z test, t test or what?
  201. What test to run?
  202. How would I figure this?
  203. compare two regression models
  204. Need help-clueless about statistics!
  205. Clarification of confidence interval
  206. Silly doubt...
  207. Normal distribution for idiots! - Please help
  208. Sampling Distribution
  209. A simple one but having a hard time to explain
  210. A problem in Archaeology
  211. Paired t-tests: interpretation help needed
  212. help with Type I/Type II errror
  213. Help! How do I apply a correction to my data?!
  214. Grouped data
  215. All basic formulas
  216. median for grouped data
  217. logistic regression model fit statistics
  218. Hypotesis Testing Question
  219. expected value
  220. Simple Homework Help: Need Direction, Please
  221. Poisson Process
  222. 2 IV outcomes and 3 predictors?!
  223. revisiting unbiased/biased sample variance/standard deviation
  224. String of questions...
  225. correlation problem
  226. Comparing two conditions, n=1
  227. Basic sampling distribution question
  228. Method comparison help
  229. random variables
  230. Please help with this statistical problem - HEEEELP!!!
  231. Finding Probability Xbar?
  232. Probability with intervals
  233. Sampling Distribution
  234. Probability
  235. I'm stuck
  236. The correct statistic to use
  237. Are confidence limits additive?
  238. KR-20 help needed
  239. Piano Competition
  240. One for the pros: conditional logistic regression discrepancy
  241. I need help please.
  242. Interesting question about Type II errors
  243. generalized gamma censored
  244. multiple comparison issue in linear regression
  245. Totally Confused - Confidence Interval Estimation Question
  246. Chi-square Analysis HELP PLS.
  247. Can anyone help please?
  248. New Problem - Really could use some help!
  249. Factor analysis with non-normal distribution?
  250. ANOVA interpretation