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Joel W.

Apparently, this user prefers to keep an air of mystery about them.

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  • Member for 9 years, 4 months
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  • Last seen 11 hours ago

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57 Is chi-squared always a one-sided test? Feb 6 '12
28 What if your random sample is clearly not representative? Jul 16 '12
24 Why Levene test of equality of variances rather than F ratio? Mar 2 '12
17 Explanation for non-integer degrees of freedom in t test with unequal variances Sep 23 '14
15 How odd is a cluster of plane accidents? Jul 25 '14
15 How does the standard error work? Aug 2 '12
13 What are the degrees of freedom of a distribution? Aug 24 '12
13 How can the sum of two variables explain more variance than the individual variables? Jan 13 '17
11 Will this introduce bias into what should be random numbers? Jan 12 '18
10 How is the Spearman-Brown prophecy formula affected by questions of differing difficulties? May 9 '14
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