PDA

View Full Version : Statistics

Pages : 1 2 3 4 5 6 7 8 9 10 [11] 12 13 14 15 16 17 18 19 20 21 22 23 24
  1. Standard deviation question (Z or T test)
  2. statistics problem
  3. t-test and p-value from processed data (mean, SD, sample number)
  4. Repeated measures in EEG.
  5. Is a group unique or not?
  6. multiple regression model
  7. statistics problem
  8. satisfaction
  9. statistics help please
  10. statistics emergency help
  11. statistics... I am clueless and appreciate any help
  12. statistics
  13. Newbie: 1 Control Group with no treatment + 1 Treatment Group
  14. What Is The Appropriate Statistical Application For My Experiment!!!
  15. one mean t test---the p value approach
  16. nonpooled t test with no delta
  17. hypothesis test,ho and ha
  18. z-scores
  19. Help with probability please
  20. probability: help needed
  21. help please
  22. God of All Statistics Books
  23. I need help
  24. any input please
  25. average of standard deviations
  26. logarithm
  27. Need some opinion on EXCEL
  28. non-parametric equivalent to 2x2 mixed
  29. Likert scale analysis problem
  30. need help
  31. Stat help please
  32. Standard deviation
  33. Very easy question
  34. Two objective functions in one Unconstrained optimization problem
  35. help
  36. Help please
  37. Spearmans Rank
  38. ANOVA and dependent t-test
  39. Multivariate Normal
  40. Goodness of Fit Problem
  41. "Inference" under Complete Census
  42. Standard Normal Distribution
  43. Modeling traffic according to a distribution.
  44. can you please have a look?
  45. Is this right?-Testing the mean
  46. Question about percentages in baseball
  47. Ranking Candidates
  48. What is the standard deviation for this combination of functions
  49. Confused About Estimating Probability
  50. Comparing Two Proportions (Z-Test)
  51. Sampling Distribution
  52. Confidence interval
  53. Help in choosing Test of significance.!
  54. Mixed anova (1 within and 3 between)
  55. 82% Confidence Interval
  56. Hypothesis Testing/P-Value
  57. Process Capability
  58. Pareto Chart
  59. True experiment requirements
  60. Multiple hypothesis testing
  61. Statistical Significance and Advertising
  62. How to handle missing data in a questionaires
  63. Two-way ANOVA
  64. Data finding - sport intelligence
  65. Please help from africa
  66. What method would you use?
  67. Crosstab Post Hoc Comparisons
  68. understanding population from sample
  69. Regression questions
  70. Regression Interpertation
  71. What is memory/stationarity and how to check for them in a time series process?
  72. please help me
  73. Quick question about sample size
  74. Question on meaning of construct of interest
  75. Expected Wins/losses of slot machine
  76. Regression Interpertation
  77. A name of this measure?
  78. multiple criteria
  79. help
  80. hypothesis testing
  81. level of significance
  82. Please Help Me I Am Struggling
  83. find Z score
  84. Comparing different units of measurement
  85. Simple Question
  86. Find most important variables-please help
  87. Need help finding standardized test statistics!!!! PLEASE!!
  88. hw help
  89. baseball fun
  90. How to perform comparison on histograms with different number of bins?
  91. How to analyze across three groups?
  92. Name for a certain statistic
  93. Sample independence and correlation
  94. 2007, per capita, personal disposable income,
  95. Apples and Pears
  96. Coefficients and standard deviations
  97. Probability plot: calculating the confidence interval
  98. Standard Error for Percent Change
  99. Stat Problems Help (Homework)
  100. Finding a least squares fit for f(x)=A*cos(Bx)
  101. Sampling Distributions
  102. Gfi
  103. Some sample test questions for you guys
  104. Unbiased estimate of SD? (Simulations)
  105. Need help with business stat
  106. Help needed with data analysis
  107. resiudual of a regression
  108. factor analysis- negative correlation
  109. non-parametric biserial correlation
  110. Risk to Value Formula
  111. Can you conclude a trend in this data?
  112. Help comparing yes or no answers
  113. Logit Regression Interpretation
  114. stats software
  115. High Correlations with Very Different Distributions..?
  116. What test could be used?
  117. Testing Accuracy of Tridiagonal Matrix Computation
  118. Calculating sensitivity and specificity of a *battery* of tests
  119. Actuarial Exam Question
  120. Very basic questions on some terms.
  121. confidence interval
  122. Multiple comparison
  123. Confusion about small sample size, skew and t-tests
  124. Validating a Proportional Odds Regression Model
  125. simultanoues equations for panel data
  126. Regressions of a/b against b?
  127. Confidence Interval VS Level of signficance?
  128. Question on Normal Distribution problem
  129. Effect size in meta-analysis
  130. t-e test p value interpretation
  131. Joint PDF Integration
  132. Violation of Homogeneity of variance (MANOVA)
  133. sampling problem
  134. What test should I do
  135. data normalization & t-test
  136. Confidence Intervals for Skewed right distribution.
  137. stats for following nominal variables over time??
  138. Data weighting and normalization
  139. One Way ANOVA
  140. Mantel test
  141. Decision Ananlysis - Tree & Calculate EP
  142. Next step after my MANOVA
  143. Perhaps statistics is not for me.
  144. covariance
  145. Likert scale factor analysis & testing
  146. Need Help Answering this Problem?
  147. Confounding in logistic regression
  148. Really good intro to one-tailed hypothesis testing?
  149. multiple comparison procedures
  150. Comparing unequal sized sample groups?
  151. Help Required in calculating USL and LSL
  152. 11 standard deviations
  153. Reference/s
  154. Confused about p-values with regression models
  155. Aagh!! - % values - parametric or non parametric?
  156. Mann-Whitney Non-parametric tests
  157. What is the process spread ?
  158. P-Chart Standard Error of Proportion
  159. How to work out industry average?
  160. Mann-Whitney U Test results
  161. normal distribution
  162. normal vs nonnormal distribution??
  163. HELP! Doesn't make sense
  164. Inventory Control
  165. Z Score Help needed
  166. ANOVA and significant difference for individuals?
  167. Help (with ANOVA, maybe).
  168. Quick question about Cox proportional hazards modeling...
  169. Use of Tukey-Kramer
  170. ACF and PACF in excel
  171. Squared Error vs Absolute Error loss functions
  172. Fun HW question
  173. When to use Fisher's exact test
  174. Effect size - cohen's d
  175. Why are all my standard errors the same in JMP?
  176. likelihood ratio for censored data
  177. A T test, MRPP, or something else? Using R or Systat
  178. y intercept
  179. Recommend a statistics book for data analysis (SPSS/sigmastas/excel/metlab etc)
  180. confusion over which test to use...
  181. Test statistic help
  182. Two-Way ANOVA without raw scores
  183. Statistical Significance
  184. Standard Deviation of a Weighted Mean
  185. Probability Question
  186. Homogeneity - Box's M and MANOVA
  187. ANCOVA help
  188. confidence intervals...
  189. Longitudinal Data Analysis
  190. how can I learn this stuff
  191. Which ANOVA?
  192. bayes theorum
  193. Random Lognormal Distribution
  194. ANOVA table, f ratio and mean squares
  195. When to Use Chi-Square Versus ANOVA
  196. Error calculation for yes/no survey questions
  197. noncontinuous, nonnormal what test to use?
  198. effect size in hierarchical multiple regression (categorical predictor)
  199. HW help
  200. Research Design
  201. Help!
  202. Predict variables - test hypothesis
  203. random effects mixed model, different regressors
  204. Scatterplot lines intercepting?
  205. Research problem
  206. Effect size tests after mixed-repeated measure ANOVA.
  207. Meaning of T-Ratio and parameter standard error in HLM analysis
  208. Help with Managerial report
  209. k-value selection with Tukey HSD
  210. Problems with search feature?
  211. inter-rater reliability, scale, two testers
  212. The "68% Confidence Interval" of the chi-square distribution
  213. Kolmogorov-Smirnov Test and Outliers....what to do?
  214. Change over time
  215. structural change/lack of trend
  216. comparing results to % in gen. population?
  217. Mid term QM assignment
  218. sample size
  219. Hypothesis testing
  220. computing limits
  221. Intra-class correlation for test-retest
  222. Can anybody help me please?
  223. Multiple Regression
  224. Adequate Sample Size?
  225. simple stats question
  226. Repeated measures with censoring
  227. Ratio significance
  228. Stats questions - simple or difficult?
  229. When are results sig. different?
  230. Stata - ordered logistic regression
  231. Poisson/Binomial distribution help
  232. Correlations btw. Ordinal and Binary
  233. Spearman Rank Correlation Coefficient
  234. Regression Diagnostics Help
  235. Statistical analysis on Power Spectrum
  236. Stats in case of 2 groups/20-item questionniare each of 5 point likert scale?!?!
  237. How to judge normal distribution?
  238. Confidence intervals help!
  239. ANOVA contrast question
  240. Spearman Rank Correlation Distribution
  241. Regression Help needed!!!
  242. Comparing proportions of two samples
  243. 2 IV's & Several DV's
  244. relationship between ordinal variables
  245. help on pvalue
  246. Choosing the best model for regression
  247. Data Transformation
  248. two questions for "poisson process"
  249. simple quetion?
  250. Tips on dummy variable for firm market?