A researcher wants to determine the impact that smoking has on resting heart rate. She randomly selects 7 people from 3 groups and obtains the heart rate data (beats per minute) in the table. Complete parts (a) through (c). Non smokers Light Smokers Heavy Smokers 74 85 76 i' C. H0: \"ns = \"Is = Phs H1 : At least one of the means is dierent. Identify the Pvalue. P-value = D (Round to three decimal places as needed.)