Test the claim that the level of smoking is independent

Reference no: EM13930616

Exercise and Smoking A study of the effects of exercise by women included results summarized in the table (based on data from "Physical Activity and Coronary Heart Disease in Women" by Lee, Rexrode, Cook, Manson, and Buring, Journal of the American Medical Association, Vol. 285, No. 11). Exercise values are in kilocalories of physical activity per week. Use a 0.05 significance level to test the claim that the level of smoking is independent of the level of exercise.

	Below 200	200-599	600-1499	1500 or greater
Never smoked	4997	5205	5784	4155
Smoke less than 15	604	484	447	359
cigarettes per day
Smoke 15 or more	1403	830	644	350
cigarettes per day

Reference no: EM13930616

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