Mathematics, 27.11.2019 01:31 Gigglygoose3159

In practice, the most frequently encountered hypothesis test about a population variance is a

(a) one-tailed test, with rejection region in the upper tail.
(b) one-tailed test, with rejection region in the lower tail.
(c) two-tailed test, with unequal-size rejection regions.
(d) two-tailed test, with equal-size rejection regions.

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