1. Based on the LDA method, estimate the category. Gender Height 160 Estimation F M 160 F 170 M 170 M 170 M 180
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- Estimate the mean MPG for the American-made cars included in this setThe ungrouped frequency table below shows the number of students absent in statistics class in a fall semester. ✓ Number Absent Number of Classes 3 3 5 8 5 SAMSUNG 0 1 2 3 4 5 6 SUBMIT QUESTION 3 3 k SAVE PROGRESS2. A bank randomly looks at loan applicoations and checks them for errors. Ten applications and the number of errors identified on the applications are found in the following table. When the process is working correctly, the average number of errors found is 2. Construct a c-chart to determine if the process is in control. Application number Number of errors 3 2. 3 4 3 4 8 4 2.
- 2.A politician is interested in the proportion of voters in his district that think he is doing a good job.Define the following in terms of the study. Give examples where appropriate.PopulationSampleParameterStatisticVariableDataThe Los Angeles City Controller's office calculated that in 2013, the city employed 47030 full-time employees and 10142 part-time employees. Assume that an outside advocacy group had been lobbying the Mayor's office to convert part-time workers into full-time workers throughout 2014. The Controller's office makes its calculations annually. Suppose that the outside advocacy group wanted to know the proportion of city employees (excluding per-event employees) who are full-time employees p in June 2014 to gauge if their lobbying efforts had been effective. Suppose that the group surveyed a random sample of 1000 city employees (excluding per-event employees) in June 2014 and found that 845 were full-time employees and 155 were part-time employees. If the advocacy group planned to use a one-sample z-test for a proportion to test their lobbying eforts, the appropriate null hypothesis would be and the appropriate alternative hypothesis would be