A Test Is Made Of $H _ { 0 } : \mu = 41$

question 12

Multiple Choice

A test is made of $H _ { 0 } : \mu = 41$ versus $H _ { 1 } : \mu \neq 41$ A sample of size n=67 is drawn, and $\bar { x }$ =45 . The population standard deviation is $\sigma$ =29 . Compute the value of the test statistic $\bar { z }$

• A) 0.14
• B) 1.13
• C) 6.08
• D) 0.87

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