Lemma
MediumChi-square tests
OpenStax, Introductory Statistics 2e §11.6 Test of a Single Variance · Exercise 3 · Statistics · Chi-square tests

Test of a Single Variance · Exercise 3

An archer’s standard deviation for hits is six (data is measured in distance from the center of the target). An observer claims the standard deviation is less.

Is this a right-tailed, left-tailed, or two-tailed test?

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OpenStax, Introductory Statistics 2e · §11.6 Test of a Single Variance · Exercise 3

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