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Top Questions
65
votes
Is chi-squared always a one-sided test?
hypothesis-testing
chi-squared
asked Feb 6, 2012 at 14:48
stats.stackexchange.com
28
votes
What if your random sample is clearly not representative?
sampling
experiment-design
inference
sample
asked Jul 16, 2012 at 12:47
stats.stackexchange.com
26
votes
Why Levene test of equality of variances rather than F ratio?
hypothesis-testing
anova
variance
t-test
heteroscedasticity
asked Mar 2, 2012 at 21:59
stats.stackexchange.com
18
votes
Explanation for non-integer degrees of freedom in t test with unequal variances
hypothesis-testing
t-test
heteroscedasticity
degrees-of-freedom
t-distribution
asked Sep 23, 2014 at 20:31
stats.stackexchange.com
16
votes
How odd is a cluster of plane accidents?
probability
poisson
asked Jul 25, 2014 at 18:35
stats.stackexchange.com
13
votes
How can the sum of two variables explain more variance than the individual variables?
correlation
multiple-regression
asked Jan 13, 2017 at 17:57
stats.stackexchange.com
11
votes
Will this introduce bias into what should be random numbers?
monte-carlo
random-generation
randomness
asked Jan 12, 2018 at 18:35
stats.stackexchange.com
11
votes
Where is the shared variance between all IVs in a linear multiple regression equation?
multiple-regression
sums-of-squares
asked Mar 18, 2012 at 3:12
stats.stackexchange.com
10
votes
How is the Spearman-Brown prophecy formula affected by questions of differing difficulties?
reliability
psychometrics
asked May 9, 2014 at 17:23
stats.stackexchange.com
7
votes
Why do p values for test of likelihood ratio vs Fisher's Exact Test not agree
hypothesis-testing
likelihood-ratio
fishersexact
asked Nov 30, 2014 at 2:57
stats.stackexchange.com
1
2
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Top Answers
16
How does the standard error work?
stats.stackexchange.com
13
What are the degrees of freedom of a distribution?
stats.stackexchange.com
9
What if an overall ANOVA is not significant, but specific contrasts are?
stats.stackexchange.com
5
Designing and validating a Likert-type scale with odd or even response categories
stats.stackexchange.com
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