View Full Version : Statistics


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  1. How do you write a Simulation?
  2. I need help with flight times :)
  3. Using DM to get the average days that an item gets to be sold
  4. Ideal Regression Model
  5. Correlation! I need help ASAP please!
  6. Finite Population Help
  7. P- Values, Critical Values, Test Value
  8. When to combine small sample sizes?
  9. T-Tests
  10. Can someone please help me understand a solution with an F value in it?
  11. Unusual Application of the KS Test
  12. really simple SPSS question
  13. Forced Distribution
  14. can a t value be as high as 7.52 w/ df of 267
  15. Needd help!!ASAP!!!!Please!!!!!!!!
  16. t-test and F-test
  17. Computing Sample Sizes
  18. Permutations
  19. Can you help me with this problem?
  20. How would you set this problem?
  21. A query about interaction and contrasts
  22. Non-normal data
  23. Finding MME and MLE
  24. Is it valid/preferable to use non-parametric tests for parametric data?
  25. Hypothesis test About Difference with Proportions
  26. Question regarding Exact tests and Bonferroni correction
  27. Help ASAP
  28. Confidence Intervals
  29. Probability Distribution?
  30. What's the term for...
  31. Appropriate data for ANOVA?
  32. Calculations for the unstandardized coefficients for a multiple regression analysis
  33. test on different variances
  34. Type II error question
  35. help?
  36. Help with HLM
  37. Percentiles
  38. Probality
  39. Chebyshev's Theorem
  40. voluntary survey response rates
  41. Type of sampling
  42. Family Wise error
  43. Could someone check my work?
  44. calculating multiple regression by hand
  45. Sports Stats Question
  46. I dont understand
  47. Exponential smoothing
  48. ranges of both variables in correlation
  49. sampling distributions
  50. Regression, help?
  51. Logistic Regression--HELP and THANK YOU
  52. How to model time-dependent covariate in random effect model?
  53. Right test?
  54. significance level help
  55. simple slopes in 3-way moderated regression
  56. Greyhound betting
  57. level of significance Calculator Problem
  58. Regression Analysis
  59. quick question
  60. Urgent help, please...thanks . A.S.A.P
  61. how to determine Beta and power
  62. Normal distribution, Confusing. Please help
  63. Stat S2 level Question
  64. Independent variables correlate to each other: violation of regression assumoptions?
  65. Problem of dependent variables having collinearity
  66. Non-Parametric Testing
  67. The variance of variance
  68. GLM Gamma Assumptions
  69. chi-sq help
  70. Correlation among Correlations
  71. Problem of high correlation between some of predictors to be used in StepW regression
  72. stepwise regression
  73. Comparing differences by age when the IV is continuous: Please help
  74. non-parametric test for repeated measurement
  75. re: zero in confidence interval but p-value < alpha
  76. one sample t-test --> nonparametric equivalent?
  77. Wilcoxon vs Friedman? help
  78. Ti 84 and weighted descriptive stats
  79. Help with Principal Component Analysis
  80. What are the benefits of Variance and Standard Deviation
  81. Difference between one-tail and two-tail t test
  82. Independence or homogeneity?
  83. Correlation
  84. Goodness of fit (particular problem)
  85. Two-way ANOVA...or not?
  86. Error calculation for best fit line
  87. what formula do you use
  88. Question regarding Single waiting line and Multiple waiting lines at the banks
  89. your opinion on a statistical procedure with ANCOVAs
  90. Please help?
  91. chi-squared appropriate?
  92. Which test to use?
  93. Regression advice needed for power technology cost analysis
  94. Estimation and confidence intervals questions?
  95. Help needed with ANOVA analysis
  96. Random Variables and Correlation
  97. 2 way ANOVA post hoc tests SPSS
  98. Mysterious Statistics
  99. Sampling from variables with known probability distribution functions
  100. Hypothesis design
  101. When to use 5pt vs. 7pt Likert Scale?
  102. Comparing rank orders
  103. Using normal to approximate binomial
  104. Help decide whether I used the right tests
  105. beginner, very quick question!
  106. What Statistical Test do I use?
  107. Studentised range value
  108. What test to use?
  109. Probability question- Help Im stuck
  110. Please Help with Test Questions
  111. non-parametric two way ANOVA
  112. A question regarding the size of a sample
  113. How can I go deeper into ANOVA?
  114. Proper syntax in peer reviewed papers
  115. p-value measurement
  116. Fitting a model with poisson errors to data with normal errors
  117. Finding P-value based on hypothesis
  118. Help with this one, please?
  119. help with pearson problem
  120. Unit Root
  121. Repeated Measures, post-hoc?
  122. Stats Help Please!
  123. Hypothesis testing, t-test?
  124. Am I using T-Test correctly?
  125. :confused: HELP!!!!
  126. p-value method
  127. Confidence Interval Question
  128. determining the correct approach for discrimination
  129. Am I on the right track?
  130. Trouble with basic regression analysis
  131. Dummy variables
  132. Need help on how to even start please!!!
  133. Question regarding P-Values
  134. Question about data analysis
  135. Is this correct?
  136. Comapring medians
  137. Data not normal, variances not equal. What next?
  138. Feline Epilepsy: Please provide Guidance
  139. t test in excel
  140. True Average Return with a confidence interval?
  141. sales productivity analysis help
  142. Comparing two population means
  143. Help interpreting Goodness of Fit tests please
  144. Is bootstrapping (or any resampling) appropriate?
  145. Outlier SPSS
  146. logistic regression with non-linear terms
  147. Log-likelihood and its p-value
  148. P-Chart
  149. Confidence Intervals problem
  150. Stuck with this question!!
  151. What is the difference between Students t distribution and normal distribution?
  152. Help with correlations please
  153. statistical significance
  154. Question about pair sample confidence intervals.
  155. Standard deviation of the mean difference
  156. confused with Hypothesis test
  157. Homoscedasticity and interpretation
  158. Statistics sample / popoualtion question. CoNFuSeD!?
  159. what test should I perform??
  160. Is it ok to average ranks?
  161. Self directed Statistics question
  162. Multiple Regression with Multiple Groups
  163. Looking for mult. linear regression equations
  164. Logistic Regression
  165. demonstration that a t-test is the same as an ANOVA on two groups
  166. Interaction terms in logistic regression
  167. Doe
  168. ARL - U Chart using poisson tables?
  169. a nonparametric test to study dispersion between two dependent samples
  170. Total expected cost...
  171. Confusion about r2
  172. cointegration test
  173. Variances in Predictions?
  174. significance level test?
  175. Interpretation
  176. Which statistical analysis? MANOVA or ANOVA?
  177. Testing for difference 2 regression models
  178. selecting ANOVA over T test
  179. Help on pointers to analysis of the reliability of a business network
  180. Regression - 2 and 3 way Interactions
  181. cointegration test critical value
  182. Help! Z-scores and Distributions...
  183. Pearson's r help!
  184. I'm sure this'll be easy for someone - Please Help if You Can I'm Stuck
  185. z-standardizing and centering...are they the same?
  186. Randomization of a 2-way ANOVA
  187. Need help with chi-squared analysis of observed vs expected percentages
  188. Did i get theese right i am confused, can anyone help me please
  189. What stat concept should I apply here?
  190. price determination prediction
  191. T test or z test?
  192. Difference between these Normal Tables??
  193. How do I solve this Statistics problem?
  194. two-sample K-S test for repeated measurement
  195. Does the pooled population impact the convidence interval?
  196. Test of Significance.. no one will help me
  197. Asymmetric CI formula
  198. One-tailed to two-tailed
  199. Multi-Factor ANOVA with only SD and MEANS
  200. Stat help
  201. T-Test between 2 independent groups
  202. Is the game fair?
  203. T-Test
  204. help choosing a rating scale?
  205. P values
  206. Deciphering linear, nonlinear and random relationships from scatter plots
  207. so lost
  208. partial correlations
  209. Comparing Fs
  210. LIKERT SCALES - pre-/post-event change
  211. chi-square
  212. Regression and correlation using population data
  213. Is there a correlation? Not sure what to do...
  214. Binary Logistic Regression in R
  215. Need help figuring out best way to analyze
  216. Testing a question for significance
  217. Significance levels
  218. Im just stuck. Probability distribution
  219. Standard Deviation Webpage
  220. Distribution, data aggregation/simplification
  221. Minimum Samples Sizes - Z Test for Overlapping Samples
  222. paired t test interpretation
  223. I'm so lost
  224. Which test do I use?
  225. t-test/ k action
  226. Hypothesis test & paired sign test
  227. Newbie seeks help on identifying distribution
  228. Panel data with entity and time fixed effects
  229. Urgent. I should use T Test or Z test?
  230. What doed this problem mean?
  231. Statistics question need help please
  232. Need to find null & alternative hypothesis.. please help
  233. help! normal distribution!
  234. Got some questions that need answers...
  235. statistics t/f help
  236. Help Needed for a STATVIEW dynamic formula
  237. Standard error v standard deviation
  238. Regression
  239. Equal Odds
  240. null and alternative hypotheses
  241. Goodness of fit
  242. Repeated Measures (Randomized Block)?
  243. Revenue numbers instead of response rates
  244. Help with Medical Stats
  245. Stats novice needs your help..::.. please..::..
  246. P Value?
  247. Comparing two paired variables containing percentages
  248. Can you guys check these for me
  249. help: need to increase fill volumes
  250. raw data versus standard scores