$\mathrm { H } _ { \mathrm { a } } : \sigma _ { 1 } ^ { 2 } 4.00$ B) $F 3.56$ C) $| F | 5.36$ D) $\mathrm { F } 5.36$

Question

$\mathrm { H } _ { \mathrm { a } } : \sigma _ { 1 } ^ { 2 } < \sigma _ { 2 } ^ { 2 } ; \alpha = 0.01 , \mathrm { n } _ { 1 } = 9 , \mathrm { n } _ { 2 } = 21$
A) $\mathrm { F } > 4.00$
B) $F > 3.56$
C) $| F | > 5.36$
D) $\mathrm { F } > 5.36$

Quizplus · Accepted Answer

The critical value for a one-tailed test with a significance level of 0.01 and degrees of freedom (9-1, 21-1) is 5.36. Therefore, the correct answer is D.

A) F>4.00\mathrm { F } > 4.00F>4.00 B) F>3.56F > 3.56F>3.56

A) $\mathrm { F } > 4.00$ B) $F > 3.56$