View Full Version : Statistics


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  1. Help with constructing a confidence interval
  2. Between-group comparisons using proportions
  3. CAN some1 tell me?
  4. Cutoff score for acceptance
  5. REGRESSION Help Please
  6. table of critical Q-value
  7. Compare Regression
  8. How to interprete data
  9. Finding a P-value
  10. SIMPLE question?!
  11. What exactly is statistical independance?
  12. Help with confidence interval 95%
  13. regression
  14. autoregressive
  15. YES or NO?
  16. Statistics Help (Invoice Question)
  17. Help with Statistics
  18. Normalizing 3 scales
  19. Walsh's test
  20. What do I do with this data? - Help
  21. How to do statistical comparison between probability distribution?
  22. Statistics help Needed-Please
  23. Help need understanding
  24. Which to use...correlation or Mann-Whitney test results?
  25. Is the Chi-Squared test a suitable way to analyse this data? PLEASE HELP!!
  26. Is it possible to calculate percentiles for rating sclale variables
  27. Unit root test
  28. Help expanding an equation (adjusted coefficient of multiple determination)
  29. How serious is it to use t-test for nonparametric data?
  30. groups of averages
  31. Simple question.
  32. Help with Multiple Regression
  33. What type of hypthesis test to use???
  34. Cohen's kappa
  35. Help, T test confusion please
  36. how to enter certain data, and should i use t test?
  37. Multivariate Regression - significance tests
  38. Capture-recapture
  39. Need clarification on statistics test
  40. Stats basics
  41. counting problem
  42. Check and develop my answers, multiple regression
  43. What exactly is a Variance Component?
  44. Business Stats Project - where to find data set
  45. Check my answer, v2 | Correlation coefficients.
  46. Confidence level and hypothesis test
  47. Statistics: Significant difference???
  48. advantages and disadvantages of correlation coefficient
  49. What statistical test have I re-invented?
  50. suggestions for small sample size
  51. How to present Spearman's rank-correlation coefficients?
  52. -.00 or .00
  53. Moderating Effect
  54. simulated t-distribution
  55. Hypothesis testing with probabilities involved
  56. symmetry of distribution
  57. Non-parametric test? Or something else?
  58. Log transformed statistics
  59. Transforming variables
  60. Clusters - Help!!!!!
  61. reading F Table values
  62. Help with interpreting P Value
  63. Report results on 10.0 vs. 100 point scale
  64. Muliple regression - lets try again
  65. how to calculate d'?
  66. Comparision between Conditional Probability
  67. Need help in excel with right tail??
  68. Penalty Reward Analysis
  69. Hypothesis testing
  70. Clinical Study and Biostatistics
  71. Continuous explanatory - ordinal response
  72. A question about effect sizes (cohen's d)
  73. Relationship b/w correlation and skewness
  74. 2 problems
  75. Cohen's d and I are having a little disagreement..
  76. weighted least squares confidence interval
  77. Pearson's correlation I need your help
  78. Combining data from different groups
  79. Repeated Measures-Help
  80. Confidence Interval
  81. Population parameters
  82. Two-Stage Regression Model
  83. simple grading help needed
  84. Asymptotic Variance
  85. Seemingly unrelated regression
  86. Centering and transforming
  87. ANOVA and Skewed distribution
  88. Analysis of data, multi individual, multi experiment?
  89. Help for a statistics idiot
  90. Question about Mantel Test results
  91. Ordinal Data!
  92. Which test do I use
  93. significant relationship between factors
  94. Three way interactions in regression
  95. simple situation weighted least squares compare results with SPSS
  96. generate data for logistic regression simple question
  97. Simulation of distribution of test statistic
  98. Writing results from transformed data - help needed asap
  99. Help with this data - PLEASE
  100. Explaining to someone why their idea is bad
  101. From OLS to Box Cox to ?
  102. calculate variance logistic model
  103. Linea regression -- proportion-logit or logit-logit?
  104. Multiple Regression & Multiple Linear Regression: 2 Qu's
  105. very basis question
  106. Box-Cox-Model: How to get p-Values?
  107. Reflecting and inverse transformation
  108. MegaStat
  109. power calculation
  110. Number of IV's in multiple regressions: How many is 'too many'?
  111. Which nonparametric test do I use?
  112. types of research
  113. Reliability analysis and Tukey's nonadditivity test
  114. Importance of R-square in one-way ANOVA
  115. Sampling Distributions of Estimates
  116. Finding Bayes factor- a question with not much information?
  117. Prediction Limits
  118. standard deviation for speed
  119. ANOVA, assumptions mandatory?
  120. The Anderson-Darling Test
  121. Testing suppression with SEM
  122. Reporting the skewness statistic in text
  123. Please help with my nonnormal distributions!!
  124. grass sampling
  125. Stepwise Ordinal Logistic Regression
  126. statistically challenged
  127. SPSS: in regression test interaction between a continuous and a within subjects var
  128. Regression: squaring variables in models
  129. Unstandardized regression coefficient in Multiple Regression Interaction
  130. Reporting uncertainty in non-normal distributions
  131. Poisson Regression
  132. Q re Gauss-Newton Method convergence in Nonlinear Regression
  133. Chi Squares
  134. Ryan-Joiner test for normality ('by hand' in excel)
  135. PCA - horribly confused...
  136. introduction to stats
  137. Standard deviation for two groups
  138. Gaming Problem
  139. Repeated measures in a single group
  140. HELP! Question about frequency distribution
  141. More Repeated Measures Problems!
  142. Observed Cell Frequencies
  143. Standard Deviation
  144. Correlation help
  145. Cubic regression not entirely accurate despite R=1
  146. Would this be Binomial?
  147. phat estimate of 1
  148. Standard Deviation and Hypothesis Testing
  149. Help using t-test
  150. Coherence
  151. Decile equation?
  152. Comparing mean of 3 samples
  153. Two mean Statistical test
  154. Paired vs. Non-Paired Problem
  155. JUST a quick question
  156. Linear regression with repeated measures
  157. Please help with simple stats question- Urgent -
  158. Comparing "sample percentages"
  159. Variability help
  160. Need help to determine proper test
  161. Calculating % Deviance Explained from JMP
  162. is anybody able to...
  163. Species Distribution Modelling
  164. which test?
  165. Deming regression interpretation
  166. Small sample. What to do?
  167. Deck of cards: Odds of being dealt 3 of a suit?
  168. Outliers and extremes
  169. Posibilities of getting a golden coin??
  170. biostatistical problem--birds and patch size
  171. A quick regression QUESTION
  172. probability of XORing
  173. I am I making this harder or easier than it needs to be
  174. PLZ clarify
  175. What's this equation called?
  176. standard deviation
  177. Help? Identification of Statistical Formula
  178. Help comparing proportions of subsets of populations
  179. Percentiles vs. percentile rank
  180. what to use for error bars in graphs
  181. Terrible at stats, desperate for help... Nonlinear reg
  182. Simple regression experiment need help
  183. sample size calculation based on correlation analysis
  184. How to E= 0 and Var = 1 in a standardized normal distribution?
  185. Help me please
  186. Logistic regression turmoil
  187. Help with covariance problem for a sum
  188. ANOVA interactions,Tukey HSD
  189. Principal components analysis query
  190. KS test and significance
  191. Estimating SEM from ANOVA
  192. Calculating a price index
  193. Sample Size Logistic Regression Experiment
  194. Simple question for sons HW
  195. AM I allowed to do this?
  196. basic statistics
  197. Can somebody help me set this up!!
  198. when "normalizing" values, do i need to re-calculate SEM
  199. Simple calculation needed, please
  200. Convergence in probability
  201. Simple CORRELATION query
  202. Medical statistics
  203. Options when response variable is highly skewed
  204. Help with Linear Regression
  205. URGENT POOLD OLS regression
  206. Probability of a Type II error
  207. Point Estimate of CDF
  208. CI given sample mean, std dev and sample size
  209. What is........
  210. Sample Size Calculation for Clinical Study with Three Treatment Groups
  211. Student need help with vetting school work
  212. T-Test for Normalized Data
  213. Variability Question
  214. Regression derivations
  215. estimating gaussian distribution
  216. brain freeze.....
  217. Please help - bitten off more than I can chew???
  218. Skew Normal Parameters
  219. Standard error - why sqrt of n?
  220. simulate limiting distribution
  221. 2-way ANOVA instead of 3-way
  222. Percentile Rank problems!
  223. Help with quantitative/qualitative/discrete/continuous problem.
  224. Is the Fisher's exact the correct test?
  225. Existence of Unbiased Estimators
  226. URGENT Help with Regression Interpretation
  227. I am stuck on quartlies
  228. simple regression question (I think)
  229. means or t-test
  230. hypothesis testing in general
  231. Inference of means
  232. runtest
  233. significant interaction but non significant simple effects?
  234. Auto corelation
  235. Pca
  236. I cannot use a simple correlation therefore I'm clueless.
  237. Calculating intrasubject variability
  238. Assignment issues
  239. Does this sound right?
  240. Anova
  241. Wording is very confusing!!
  242. sampling distributions!!?
  243. Mean trouble
  244. which stats test do i use??
  245. how do i delete my account on this website
  246. Score Scaling
  247. How do you think I should present this data?
  248. Standard Deviation based on one new plot
  249. Outliers in a normal Distribution
  250. Confidence Interval- which is narrower? 95%? 99%?