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

Test of a Single Variance · Exercise 2

An archer’s standard deviation for his hits is six, where the data are measured in distance from the center of the target. An observer claims the standard deviation is less than six.

State the null and alternative hypotheses.

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

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