6) A survey was done to determine if the Cholesterol level of Americans was different than that of Canadians. Sampling from both the US and Canada yielded the following results. Sample Standard Deviation Sample Size Mean Cholesterol US 44 179.6 7.7 Canada 38 175.8 7.2 Is there enough evidence at the 5% significance level to say that the cholesterol levels of US citizens and Canadian citizens differ? YES NO Please show the four steps of your analysis in the space provided below...

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