Hypothesis Testing( Left Tailed Test)

Hypothesis Testing

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This document will explain how to determine if the test is a left tail, right tail, or two-tail test.
The type of test is determined by the Alternative Hypothesis ( H₁ )

Left Tailed Test

H₁: parameter < value
Notice the inequality points to the left
Decision Rule: Reject H₀ if t.s. < c.v.