MTH Revised Test 2023.

MTH Revised Test 2023. Identify the population and the sample in the study. A study of the dietary habits of 359,264 Korean adolescents was conducted to find a link between dietary habits and school performance. - ANSWER Population: Collection of the school performance of all Korean adolescents Sample: Collection of the school performance of the 359,264 Korean adolescents in the study Determine whether each number describes a population parameter or a sample statistic. Explain your reasoning. (a) A survey of 1000 U.S. adults found that 52% think that the introduction of driverless cars will make roads less safe. - ANSWER Sample statistic. The value 52% is a numerical description of a sample of U.S. adults. Determine whether each number describes a population parameter or a sample statistic. Explain your reasoning. At a college, 90% of the members of the Board of Trustees approved the contract of the new president. - ANSWER Population Parameter. The 90% of members that approved the contract of the new president is a numerical description of all Board of Trustees members. Determine whether each number describes a population parameter or a sample statistic. Explain your reasoning. A survey of 727 small business owners found that 25% reported job openings they could not fill. - ANSWER Sample statistic. The value 25% is a numerical description of a sample of small business owners. Determine whether the data are qualitative or quantitative. Explain. (a) A list of debit card personal identification numbers - ANSWER Qualitative Because debit card personal identification numbers are labels and it does not make sense to find differences between numbers Determine whether the data are qualitative or quantitative. Explain. (b) The final scores on a video game - ANSWER Quantitative, because final scores are numerical measurements. Determine the level of measurement of the data set. Explain your reasoning.