STAT 200 Week 1 Homework Problems1.1.4 To estimate the percentage of households in Connecticut which use fuel oil as a heating source, aresearcher collects information from 1000 Connecticut households about what fuel is their heatingsource. State the individual, variable, population, sample, parameter, and statisticThe individual is a household in ConnecticutThe variable is fuel used as heating sourceThe population is all households in ConnecticutThe sample is the 1000 Connecticut householdsThe parameter is the percentage of households in Connecticut which use fuel oil as a heatingsourceThe statistic is the percentage of households in the sample of the 1000 Connecticut householdswhich use fuel oil as a heating source1.1.8 The World Health Organization wishes to estimate the mean density of people per squarekilometer, they collect data on 56 countries. State the individual, variable, population, sample,parameter, and statisticThe individual is a specific countryThe variable is the density of people per square kilometerThe population is all countries in the worldThe sample is the 56 countriesThe parameter is the mean density of people in the world per square kilometerThe statistic is the mean density of people in the sample of the 56 countries.1.2.4 You wish to determine the GPA of students at your school. Describe what process youwould go through to collect a sample if you use a stratified sample.To obtain a stratified sample I would first divide the ...
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