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The null and alternative hypotheses are given. Determine whether the hypothesis test is left-tailed, right-tailed, or...

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Statistics

The null and alternative hypotheses are given. Determine whetherthe hypothesis test is left-tailed, right-tailed, or two-tailed andindicate the parameter(s) being tested.

a.) ?0: ?1 = ?2 ?? ?1: ?1 > ?2
  
b.) ?0: ? = 8.6 ?? ?1: ? > 8.6

Answer & Explanation Solved by verified expert
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Solution The hypothesis test is said to be twotailed test if direction of the test is not specified ie there is not equal to sign in the alternative    See Answer
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