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  1. Statistics question : Handling undetectable quantities in ttests?
  2. Determine statistical significance for research paper
  3. Does Anybody Recognize This (Obscure?) Confidence Table?
  4. Appropriate tests to use? ANOVA and Friedman two way ANOVAby ranks?
  5. Survival analysis, how precise must the time to event measure be?
  6. ANCOVA when variances are not equal?
  7. Paired samples t-test
  8. Difference between an unusal and abnormal observation
  9. Determining power for occupational exposure study
  10. time-series help
  11. program to write formulas and equations in statistics and econometrics?
  12. How to solve this?
  13. Is this interpretation correct?
  14. Simulation in R to find if a sample is staistically different
  15. problems proving the 4th moment for discrete, cont. cases
  16. Quantitative analysis help please!
  17. Sensitivity and Specificity
  18. Calculating alpha and power
  19. pilot study sample size
  20. IID vs IIA; mixed vs conditional vs multinomial logit models
  21. Violation of normality assumption for One Way Anova - Non parametric test?
  22. Help!
  23. Checking for normality between groups
  24. Statistical tests for one group only?
  25. Can anyone answer this statistics question please?
  26. Calculate Tukeys by hand - post doc test for repeated measures ANOVA
  27. Correlation Coefficient HELP - ASAP
  28. When Assumptions of a model are violated
  29. Inferences drawn in Multiple Regression
  30. In Regression we get normal equations by
  31. I don't know how to tell if something is significant or not
  32. Negative test statistic, what does it prove and what do i do with it?
  33. Median with "tied values"
  34. Quartiles Question
  35. What is the difference between an odds ratio and a risk ratio?
  36. Three Standard Deviation Limits
  37. basic question
  38. Very Basic Question
  39. question about validity
  40. Two-Mean hypothesis testing to find a lesser value in
  41. Using method of moments/mle to estimate the mean of a distribution
  42. Limitations
  43. Independent Samples t-test - "Not random but representative"
  44. How to take variance here..
  45. Determining expected yearly returns and yearly variance for markowitz formula
  46. Sub population Standard Deviation and Correlation
  47. Using a correlation as a measure of how well heuristic predicts outcome?
  48. Excel 2007 t-test
  49. Stats test to compare sports leagues tables
  50. Trend test?
  51. Compute probabilities for a normal random variable
  52. Best way to find non-randomness regions in count data
  53. likert scale before and after analysis question
  54. Need help with a statistics project
  55. Which test should I use?
  56. Contro Chart Sub-group size
  57. suggestions for learning statistics well
  58. Mean and Variance of Lognormal Distributions
  59. Cohen size effect question
  60. Please help with question, important, trend?
  61. Ceiling effect
  62. Help with one easy question (Central Limit theorem, confidence interval?)
  63. Which stats test to use?
  64. When to assume Normality
  65. can u do paired t test on one participant to measure before and after results?
  66. Regression linear transformation?
  67. [Solved] f(x) > 1 ???
  68. hat matrix
  69. URGENT help needed with Confidence Intervals!!!!!!!!!!!!!!!!!
  70. calculating test statistics?
  71. mixed model ANOVA - non parametric version
  72. Polls always survey 1068 people?
  73. Contingency tables
  74. Research Methods and Statistical Analysis Class
  75. Using rolling average for data cleaning / remove outliers
  76. Please, could you help me :)
  77. Help on Semantic Differential, PCA - Input values?
  78. Outlier analysis
  79. How big a sample size do I need? Is my sample size significant enough?
  80. Nonparametric statistics v.s Parametric statistics
  81. Normal Distribution Word Problem
  82. Appropriate test for two sets of answers - Chi squared?
  83. Not sure what topic this question falls under
  84. Need help: expected number of items in the intersection
  85. Different significance values from Pearson and Spearman tests
  86. Kruskall-Wallis: what can we do if not significant?
  87. What Test to Use? Survival...
  88. poisson processes help
  89. Chi Square the right test?
  90. increasing maximum parameters using spss 19 missing values analysis module
  91. Differentiating between different distributions
  92. sample size calculation for a convenience sample
  93. Interpreting odds census statistics
  94. Uniform Distribution Problem(s)
  95. Bonferroni correction
  96. Biomedical experiment design
  97. Generation Time Series by Stochastic Model
  98. Entering & analysing aggregate categorical data in SPSS?
  99. Continuous or Discrete: Likert-type Time
  100. please help, dont know how to solve
  101. p value for trend analysis
  102. Normal Distribution
  103. Binom or multinom?
  104. Adjusted principal component analysis
  105. sum of independant poisson processes help
  106. How to find quartiles with only the mean?
  107. Determining the value of the test statistic? :S
  108. Unstable Fixed Points and Stable Fixed Points
  109. normal approx / continuity correction
  110. Normal Distribution question for College Statistics?
  111. R squared boundaries
  112. estimating non-truncated parameters (source distribution) from truncated data
  113. Not so normal distributions.
  114. Help regarding ANOVA with repeated measures
  115. Help - controlling for variables in moderation analysis
  116. Derivation of chi-squared test for independence in 2 by k table
  117. Projection matrix rank.
  118. Joint Probability Distribution Question ?
  119. Z test calculator for trends
  120. difference between sigma and standard deviation
  121. Distribution, mean and standard deviation for college stats help
  122. Post-Hoc Analysis with a numerical factor
  123. Ordinal data+ independent factors+Marketing analysis+SPSS= HELP!!!!
  124. Multiple Comaprisons
  125. Help with matrices?
  126. Kullback leibler divergence
  127. Correlation Coefficients help!
  128. How to analyze a dependent variable which is an array?
  129. Standardizing Similar Groups with Different Internal Variables
  130. Factor analysis for non-statisticians..
  131. A basic question with no concrete solutions out there
  132. Calculating Z value in a normal distribution
  133. Urgent Help Needed
  134. Two-way repeated measures--post-hoc analysis?
  135. Distribution of MLE
  136. Need assistance: case-control matching (1:1/ 1:2 pairing) SPSS
  137. Normally Distributed Data Set
  138. Exam P study Guide/Practice Exams
  139. Do I assume the standard dev is zero?
  140. General Linear Model
  141. Which test should be used for comparing nominal data?
  142. Multiple Regression: How to obtain VIF values from correlation coefficient
  143. Likelihood function
  144. Calculating PDF and CDF from a continuous data set
  145. Phi and Cramer's V
  146. Kullback leibler divergence
  147. Choose a statistical test...
  148. Amateur question on power
  149. "Natural Log Transformation" of some items in SPSS?
  150. Evidencing the null
  151. Basic Weighted Average Question
  152. Time series
  153. Need help
  154. Z-score calculator
  155. multiple correlations/need basic help
  156. Does Fisher's exact test require fixed both margins assumption?
  157. Completely Stumped by Impossible Stat Question
  158. Couple conceptual word problems
  159. Expected Value of normally distributed random variables
  160. A fundamental question!
  161. Decision Rule
  162. Mdes
  163. Three option poll / margin of error
  164. Correlation Dimension
  165. Chi square help
  166. Scheduling Problem
  167. how to reconcile Type 1 and 2 error rates to overall correct classification rate
  168. How to compare categorical data for more than 2 groups?
  169. Control limite
  170. Minimum from random selection
  171. Table Needed
  172. Expected value
  173. Quick questions about probability and expected value
  174. Computing expectation
  175. Matched vs. Unmatched t-tests
  176. Margin of Error & Confidence Interval
  177. CFA vs. SEM
  178. Which test do I need?
  179. Which alpha level do I choose?
  180. Fisher's exact test
  181. N vs N-1 in variance of population?
  182. Ordinal Regression
  183. Urgent statistical Problem from real life... Bayes?!
  184. Chi Square alternative
  185. Statistics help!!
  186. Nominal and ordinal dependent variables in Multiple regression
  187. Formalizing Opinion taking opinion from set of people
  188. Derive Expected Value of Yhat
  189. Calculating Test Statistic With Minitab
  190. The Runs Test
  191. Need some help understanding
  192. How would I go about calculating this problem?
  193. Why data standardization is necessary in Prinicple Component Analysis (PCA) ?
  194. Hints on analysing survey data?
  195. How to design the sampling plan?!
  196. Having a hard time with hypothesis testing...
  197. Spearman's Rank Correlation Coefficient
  198. understanding time series inputs
  199. More clarity about Residuals vs. errors: An attempt
  200. Cumulative risk using multiple, unrelated risk factors
  201. How to calculate the annualized mean standard deviation with monthly observations?
  202. Hi, how often should an 18 standard deviation event occur?
  203. how to find a significance level when S is not known.
  204. Null and alternative hypothesis and decision rule
  205. Logistic Regression
  206. Regression Analysis
  207. diff between ACF and PACF
  208. Is Spinning a Pre-1982 Penny Fair?
  209. t-test problem
  210. what steps do i take to answer satisfy this question
  211. Hints on how to solve this problem?
  212. T-Test (Assuming Equal Population Variances)
  213. Hypothesis test?
  214. How large a sample and which stats tests?
  215. Simplifying the normal distribution density function. HELP
  216. Mustafa
  217. Hypothesis Test Question
  218. standard deviation bars in glm mean
  219. Computing cumulative binomial by hand
  220. Confidence Level with a sample size
  221. Correlation Integral
  222. Logistic Regression Help Needed
  223. Predicting Strikes based on historical data.
  224. Help with a very basic question
  225. ANOVA OR t-test?
  226. Interdependence problem in Spearman rho
  227. Parameters of Probability Density Functions
  228. How does the Bayesian equation accomodate new info to provide a better decision?
  229. Help! How to choose my data bucketing!
  230. P-value when one data set has all zero values
  231. Basic IV/DV help
  232. What is the best way to scale input-output data for regression?
  233. simple linear regression
  234. How to make a 3-dimensional test - help with our bachelor
  235. What sort of data is this? In a pickle
  236. What is the contribution of a sub-segment of random numbers to total variance?
  237. Quick and simple correlation question
  238. Is this ordinal?
  239. Help -- Trying To Determine How Best to Compare Percentages
  240. Dependent and independent variables
  241. Regression Question
  242. Assistance needed
  243. Power of Significance Question
  244. Help Please!! z-test/t-test related
  245. help needed
  246. Calculation of x2-probability - formula
  247. Data Transformation in Multiple regression
  248. Stat help needed!
  249. Help: how to estimate this A
  250. Can anyone help me about the confidence interval? Thanks.