Unformatted text preview: differences significant? Assume (this is not yet agreed on by experts) that these observations are an SRS from the Cretaceous atmosphere. 1. Describe the population of interest and the parameter you want to draw conclusions about. 2. Graph the data and comment on skewness and outliers. Can the t procedures be used in this situation? 3. What is the critical value t * for a 95% confidence interval. Identify the curve and mark the t * value on your sketch. 4. Construct a 95% confidence interval for the mean percent of nitrogen in ancient age. 5. Interpret this confidence interval. Chapter 11 Quiz 11.1B...
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This note was uploaded on 05/01/2011 for the course AP CLASSES 101 taught by Professor Mr.smith during the Spring '11 term at Korea Advanced Institute of Science and Technology.
- Spring '11