- I Need Help?????
- STUCK and dont know what to do HELP
- p-value and relation to error
- three-way anova help please!
- Explaining this example... (minimising variance)
- confidence interval plus some
- Dealing with nonresponses
- Likert scale
- Help Me Please!!!!
- A biomedical experiment problem
- Stats Project, Can Anyone Help
- Z-Score Help
- Percentile Help
- Project Help
- Probability
- 2 way cross classification ANOVA
- Probability
- Not sure what mathmatical route to take
- Normal or not?
- Loglinear analysis abnormality
- Correlation Home Work Review
- unequal and unknown variances
- which test?
- Which categorical statistic? Help please
- Regression equation
- question about t-test
- Confidence interval
- Homework review Comparson
- r and p in regression
- confidence and margin of error
- Stats Report
- sample size
- z score to find ranges
- Questions on Correlation Concepts
- variables help
- confidence interval
- margin of error
- r values, which section?
- confidence interval
- Hypothesis testing Help
- Another Hypothesis Question
- t-test
- Satistics skewness
- Principal Component Analysis
- statistically significant
- Basic question regarding methods
- The Normal Approximation to the Binomial Distribution
- confusing.
- A few questions
- comparing and contrasting 95% CIs
- stuck on sample size determination
- p value
- Calculating a binomial probability
- width of 90% CI and 95% CI
- need to know if I am on the right track
- Pre-test questions.
- Power analysis
- Is this correct?
- estimate/probability
- Can propensities and percentages be compared?
- Writing out stats
- regression on count data?
- one sample z test
- one sample z test
- Inference about the difference between two population proportions
- level of measurement.
- do not understand evidence of a mean
- F test
- Tukey results
- Help with almonds!!!
- Histogram
- Cochran-Armitage Trend Test
- Likert scales and statistics
- helpz!
- Hypothesis Testing
- Inference about a Population Mean
- Simple Regression
- Significance level in r (correlation coefficient)
- confused again...
- hypothesis testing question
- Help With Normal Distribution
- Q about % contribution
- datasets finding
- P-value method
- Normal Distributions
- Can't seem to figure this out... any help?
- Can you check my homework it is due 4/5/06 at 10 a.m. Eastern
- Please check homework problem #2
- Using a TI-84
- Example Questions for a Final
- Hypothesis testing for populations?
- Newbie Here! Question on find number of test...
- Need Help Urgently
- Post Hoc tests - significant interaction
- Meaning of p
- normal distribution questions--am I on the right path
- Hypergeometric distribution question
- simple correlation question
- Can percent be a "continuous" variable?
- Are weighted means appropriate?
- survey and "other" responses
- Mean and Standard Deviation-due tomorrow
- please help
- Likert analysis & survey - help!
- non parametric stepwise regression
- Construct validity check problems
- confounded by confounders
- level of significance test with no standard deviation
- Sample size and Power
- Any suggestions??
- Need help with hypothesis testing problems
- How to convert a table of probabilities to j.p.d.f
- least regression
- What test to use?
- chi square with 0 votes in cells
- Control Variate for normal r.v.
- Help
- predicted value
- Unspoken ANOVA assumption
- Confirmatory factor analysis
- null and alternate hypotheses
- least-squares prediction
- Stats help
- Grouping by the dependent variable
- How do I do this>?
- Statistical analysis for likert type scale
- Fischer Table?
- Urgent!
- Confidence Interval Help
- Determining margin of error
- FACTOR ANALYSIS - POOLING data from different samples
- looking for someone to Critique HW
- Normality and ANOVA test
- Help needed for Analysis on this complex project
- Help with simple Confidence Interval Q
- standard normal distribution help
- Does it make sense to calculate a standard deviation from only three values?
- r squared and t stats
- Evaluating RMSE for MLR models
- What exactly is the p-value and the significance level?
- Confidence Int for shifted exp dist
- mean, mode, mediam
- how large the sample size should be?
- Nominal/Ordinal scale variables and analysis
- Analysis of correctness of answers
- Help with choosing the right method
- Z-scores or mean +/- 2 std rule
- Zscores and grouped data.
- How to determine whether it is a good sample group and others
- Distribution NOT normal :-(
- Frequency Distribution & Polygons
- Help - questions re: Empirical Rule/Chebyshev
- ANOVA help!
- Psych Stats - Help with Review Q'z
- When to use Z scores or t scores?
- R value Anova
- alpha? p-value?
- Kurtosis
- Two Sample T-Test With Unequal Variables
- Type 1 error
- correlation between dependent variable
- appropiate post hoc test
- T-test and Z-test won't work
- Trouble with Hypothesis testing (Psych. Stats)
- Fisher's Exact Test
- Trying to fit normal dist. to quartile data
- What test do I use?
- median test or 2 sample kolmogorov test ?
- Determing Z score from level of confidence
- Multivariate analysis for categorical dependent
- Hypothesis Test Writing
- t tests (psych stats)
- Homegeneity Tests
- correlation question
- continuous random variables
- stats terminology
- interpreting Kendall's W
- Report Statistics
- How to compare multiple groups with multiple covariates?
- f test!
- determining mean without Z score
- binomial/hypothesis tests
- Correlation between groups
- probability distribution Q
- comparing likert data scores
- Kind of embarrasing
- Can somebody check this one two
- hypothesis tests
- poisson distribution
- population proportions...
- textbook question
- z or t Argggggggg
- errors??
- Checking solutions
- Analysis of three difference samples
- Question about multivariate regression results
- Hypothesis Testing Problem
- transformations of explanatory variable
- Confused on Exponential PDF
- Confused on Exponential PDF
- Large Sample Tests
- hmwk problem - need help
- Confidence Intervals
- Data Transformations
- 2 Problems - HELP!!!
- Z Vlaue Formula
- Coefficients Intervals
- division problem
- confidence interval
- Need help with manova
- Non-parametric analysis question - please help!
- Basic stats!!!
- factor analysis of single item variables possible?
- Solve for Z
- Need to clarify something
- p-value help
- Interaction Effect Test Methods
- Regression
- question about surveys for conservation program?
- Hypothesis testing w/ equality of variances F distribution
- Stats dummy needs help!!
- I'm so lost on population variances!!
- Reliability analysis
- completely randomized ANOVA
- Analysis of Variance-F Distribution
- MGF and Maximum Likelihood Estimation - need help!
- Linear Regression
- Simplifying variance and standard deviation formulas
- Regression question
- Nonparametric tests to support parametric tests
- adjusted residuals or standardized residuals?
- Random effects results using LME in R
- Test to use for series comparison
- randam variable problem
- Validity
- parametric vs non-parametric 4 beginners
- Regression: When the intercept is zero.
- Gray Paths in LISREL
- Not the standard Power Calculation for Regressions?
- Likert scale testing
- Am I doing this ANOVA right?
- mean & std deviation
- hierarchical regression
- Likert Scale Analysis
- Sample Standard Deviation
- .05 level of significance?!!!
- Help!!!!!!
- Residuals
- Residuals
- parametric or non parametric?