A bank manager is interested in if the mean time it takes for customers to be served at their branch is 8 minutes. Having taken a random sample of customer waiting times, the manager performs a hypothesis test and nds a p-value of 0.03. At the 5% significance level, the conclusion of the test will be: A. As only the pvalue is provided, there is not enough information to be able to decide whether to reject or not reject the null hypothesis at the 5% significance level. B. The results suggest that, at the 5% significance level, the population mean waiting time is not 8 minutes. C. The results suggest that, at the 5% significance level, the population mean waiting time is in fact 0.03 minutes. D. The results suggest that, at the 5% significance level, the manager is unable to reject the null hypothesis, that the population mean waiting time is 8 minutes. E. None of the above. The mean represents: A. the arithmetic average of a data distribution B. the degree of kurtosis C. the most frequently occurring value in a distribution D. the degree of skewness E. the midpoint of a data distribution A researcher is interested in graphing the relationship between amount of debt (mild, moderate, severe) and number of employees. Which is the most appropriate graphical display that would be used to graph this relationship? A. mosaic plot B. histogram C. scatterplot D. sidebyside boxplots E. Pareto chart Which of the following situations treats "deal proneness" as a dependent variable in a relationship? A. Deal proneness is predicted by a person's household income. 8 Deal proneness results in greater price sensitivity. C. Deal proneness predicts the time spent by a person shopping. D Deal proneness leads to greater brand loyalty. A 95% confidence interval for the average annual employee turnover rate of Australian businesses was found to be (47% to 63%). Which of the following is a correct interpretation of this interval? A. B. 95% of businesses have at least at 47% annual employee turnover rate We can be 95% condent that the population mean employee turnover rate is between 47% and 63% . 63% of businesses have at least a 47% annual employee turnover rate . We can be 47% condent that the population employee turnover rate is between 63% and 95% . We can be 95% condent that the population proportion of businesses that make a profit is between 47% and 63%