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Professor Rietz's problem. - MaRDI portal

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Professor Rietz's problem. (Q568967)

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scientific article; zbMATH DE number 2553449
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Professor Rietz's problem.
scientific article; zbMATH DE number 2553449

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    Professor Rietz's problem. (English)
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    1932
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    Die in der vorstehend besprochenen Arbeit von \textit{H. L. Rietz } behandelte Aufgabe erweitert Verf. indem er \(y_1 = x_1 + X_3,\;y_2 = x_2 + x_4\) betrachtet und dabei Korrelationen \(r_{ik}\) zwischen den Größen \(x_i\) und \(x_k\) zuläßt. Er berechnet den Korrelationskoeffizienten \(R\) zwischen \(y_1\) und \(y_2\). Die Annahmen \(x_4 = x_1,\;\sigma _1 = \sigma _2 = \sigma _3 = \sigma _4,\;r_{ik} \equiv 0\) ergeben speziell den von \textit{Rietz} untersuchten Fall, in dem einfach \(R = \frac {1 }{ 2}\) erhält.
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