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相关正态变量极差之间的相关性
The correlation between ranges of correlated normal deviates is assessed, exactly for ranges of 2 and 3, approximately for ranges of 4 or more, with results modifying those of Hartley (1950). The approximation is asymptotic in the correlation between the deviates. The derivation is based on a lemma (§4) that should be useful for other statistics.
平衡单因素与双因素分类的简便多重比较：第二部分，推导与近似
Part 1 of this paper (Kurtz, Link, Tukey & Wallace, 1965a) presents tables of approximate percentage points of the ratio of a range to a sum of ranges and discusses their use in multiple-comparison procedures for balanced single and double classifications. The methods of approximation used in the construction of these tables are described here with emphasis on results and methods likely to be of use in other connexions. The basic approximation and the multiple comparison…