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

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) $x ^ { 2 } > 33.1963$