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

question 43

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.
$H _ { \mathrm { a } } : \sigma ^ { 2 } < 155 , n = 14 , \alpha = .01$

• A) \(\chi ^ { 2 } < 4.10691\)
• B) \(\chi ^ { 2 } < 4.66043\)
• C) \(\chi ^ { 2 } < 29.1413\)
• D) \(\chi ^ { 2 } < 27.6883\)

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