A significant amount of improvement took place

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Reference no: EM1321124

Question: The pulse rates below were recorded over a thirty second time period, both before and after a physical fitness regimen. The data is shown below for 8 randomly selected participants. Is there sufficient evidence to conclude that a significant amount of improvement took place? Suppose pulse rates are normally distributed. Test using α = 0.05.

Before	31	25	30	31	33	25	32	45
After	32	29	30	37	40	35	34	52

Reference no: EM1321124

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