Chapter 11: Problem 54
The following quote is from the article "Canadians Are Healthier Than We Are" (Associated Press, May 31,2006 ): "The Americans also reported more heart disease and major depression, but those differences were too small to be statistically significant." This statement was based on the responses of a sample of 5183 Americans and a sample of 3505 Canadians. The proportion of Canadians who reported major depression was given as .082 . a. Assuming that the researchers used a one-sided test with a significance level of \(.05,\) could the sample proportion of Americans reporting major depression have been as large as .09? Explain why or why not. b. Assuming that the researchers used a significance level of \(.05,\) could the sample proportion of Americans reporting major depression have been as large as .10? Explain why or why not.
Short Answer
Step by step solution
Key Concepts
These are the key concepts you need to understand to accurately answer the question.