GGR270H1 Study Guide - Final Guide: Ap Statistics, Distilled Water, Sulfur Dioxide
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Circle the number corresponding to the best answer. A significance test was performed to test the null hypothesis. H the test statistic is z = 1. 40. An appropriate 95% confidence interval for has been calculated as ( 0. 73, 1. 92) based on n = 15 observations from a population with a normal distribution. 0 we do not have sufficient evidence to reject the null. A radio show runs a phone-in survey each morning. One morning the show asked its listeners whether they would prefer congress or the president to set policy for the nation. The majority of those phoning in their responses answered congress, and the station reported the results as statistically significant. The average growth of a certain variety of pine tree is 10. 1 inches in three years. A biologist claims that a new variety will have a greater three-year growth.
