Individuals with children who read the Ann Landers column were asked if they had it to do all over again, whether they would want to have children. Of the nearly 10,000 readers who responded, only 30% responded by saying yes. Why is it not safe to infer anything from this survey about the proportion of the general population who would still want to have children if given the opportunity to do things over?
Answer to relevant QuestionsThe Current Population Survey (CPS) is a survey conducted by the U.S. Census Bureau for the Bureau of Labor Statistics. It provides a comprehensive body of data on the labor force, unemployment, wealth, poverty, etc. The ...In a University of Wisconsin (UW) study about alcohol abuse among students, 100 of the 40,858 members of the student body in Madison were sampled and asked to complete a questionnaire. One question asked was, “On how many ...In Exercise 1.25, of 3887 sampled subjects, 63.8% said that at least once they felt as though they were in touch with someone when they were far away. That is, of 3887 sampled subjects who had an opinion, 1407 said never and ...The bar chart (constructed using MINITAB) is from a study 2 investigating the factors that influence alligators’ choice of food. For 219 alligators captured in four Florida lakes, researchers classified the primary food ...The pie chart (constructed using EXCEL) shown portrays the regional distribution of weather stations in the United States. a. Do the slices of the pie portray (i) variables or (ii) categories of a variable? b. Identify what ...
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