A Random Sample Of $n$ Observations, Selected from a Normal Population, Is Used to Test

question 86

Multiple Choice

A random sample of $n$ observations, selected from a normal population, is used to test the null hypothesis $H _ { 0 } : \sigma ^ { 2 } = 155$ . Specify the appropriate rejection region.
$$H _ { \mathrm { a } } : \sigma ^ { 2 } > 155 , n = 25 , \alpha = .10$$

• A) \(\chi ^ { 2 } > 36.4151\)
• B) \(\chi ^ { 2 } > 15.6587\)
• C) \(\chi ^ { 2 } > 34.3816\)
• D) \(x ^ { 2 } > 33.1963\)

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