Solutions Statistics

An agent claims that there is no difference between the pay of safeties and linebackers in the NFL.

Question: A medical researcher wishes to see whether the variance of the heart rates (in beats per minute) of smokers is different from the variance of heart rates of people who do not smoke. Two samples are selected, and the data are shown. Using $\alpha =0.05$, is there enough evidence to support the claim?

Heart Rates of Smokers				Heart Rates of Non-Smokers
82	94	95	82	75	68	73	72	70	67
92	82	91	83	67	63	66	92	77	84
92	90	89	98	88	77	64	92	60	65
83	95	98	80	71	65	94	66	78	67
88	91	95	80	67	93	90	74	68	92
97	80	93	89	81	92	94	85	66	66
89	91	88	85	74	93	90	77	61	64