## Questions about distributions of random variables

How many observations do I need to make z-scoring (assuming Normality) feasible?

Are there any on-line statistical tables for commonly used distributions?

What is the relationship between the z, t, chi-square and F distributions?

What is the probability of a repetition in a sequence of size k taken from K stimuli?

A note on comparing confidence intervals and statistical significance

What is the variance of the mean of my transformed data and the variance of combinations of means?

A quick approximation for Normally distributed expected order statistics

How do I derive an expected total for a subset of items based on the expected overall total?

How do I check Normality assumptions in repeated measures analyses in SPSS?

Testing normality including rules of thumb for skew, kurtosis in SPSS

How do I produce truncated exponential random variables using MATLAB?

How do I obtain parameter estimates for finite Normal mixture distributions using SPSS and BMDP?

How do I find out how many people have a score above a certain value?

How do I compute percentile thresholds for exponential data and use in outlier detection?

How do I obtain the mean of several variables, each minus the same constant? (In SPSS)

How do I compute z-scores in SPSS and what is their relationship to comparing group means?

How do I use cumulative distribution functions to compute p-values in SPSS, EXCEL and R?

How do I adjust for age in comparing survival times in two different groups?

What is the relationship between intercept and slope for scores at two time points?

How do I produce random variables which follow a negative skew distribution?

How do I calculate probabilities involving the multivariate normal distribution?

Simulations sampling from data with replacement (bootstrapping)

Generating multivariate data with a required correlation matrix

How do I obtain the formulae behind statistics outputted by SPSS algorithms?