Math Solutions

[Solution Library] 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

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
91	83	92	97	84	64	85	93	81	88
82	86	85	95	72	71	78	67	67	85
88	81	88	93	87	69	94	88	63	90
81	85	92	87	81	88	71	62	68	74
93	88	99	91	87	70	66	71	63	89
89	94	89	85	62	88	85	87	60	89
83	93	83	95	87	64	73	77	83	81