A test designed to measure level of anxiety was administered to a sample of male and a sample of female patients just prior to undergoing the same surgical procedure. The sample sizes and the variances computed from the scores were as follows:

Males: n ¼ 16; s2 ¼ 150 Females: n ¼ 21; s2 ¼ 275 Do these data provide sufficient evidence to indicate that in the represented populations the scores made by females are more variable than those made by males? Let a ¼ :05.