Steffens, F. E. A bivariate t-test for sphericity. (English) Zbl 0291.62065 South Afr. statist. J. 8, 59-68 (1974). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 Document MSC: 62H15 Hypothesis testing in multivariate analysis 62F03 Parametric hypothesis testing × Cite Format Result Cite Review PDF