Mathematics, 16.04.2020 04:35 jair512872
Determine whether the study depicts an observational study or an experiment. Upper A poll is conducted by a school's English department in which third dash grade students are askedA poll is conducted by a school's English department in which third-grade students are asked if they prefer to be in their English class or their science class. if they prefer to be in their English class or their science class. nothing Choose the correct description of the study. A. The study is an observational study because the researchers control one variable to determine the effect on the response variable. B. The study is an observational studyobservational study because the study examines individuals in a sample commastudy examines individuals in a sample, but does not try to influence the response variable. but does not try to influence the response variable. C. The study is an experiment because the study examines individuals in a sample, but does not try to influence the variable of interest. D. The study is an experimentexperiment because the researchers control one variable to determineresearchers control one variable to determine the effect on the response variable.
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Questions 9-10. use the table of educational expenditures to answer the questions. k-12 education expenditures population indiana $9.97 billion 6.6 million illinois $28.54 billion 12.9 million kentucky $6.58 billion 4.4 million michigan $16.85 billion 9.9 million ohio $20.23 billion 11.6million 9. if the amount of k-12 education expenses in indiana were proportional to those in ohio, what would have been the expected value of k-12 expenditures in indiana? (give the answer in billions rounded to the nearest hundredth) 10. use the value of k-12 education expenditures in michigan as a proportion of the population in michigan to estimate what the value of k-12 education expenses would be in illinois. a) find the expected value of k-12 expenditures in illinois if illinois were proportional to michigan. (give the answer in billions rounded to the nearest hundredth) b) how does this compare to the actual value for k-12 expenditures in illinois? (lower, higher, same? )
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Determine whether the study depicts an observational study or an experiment. Upper A poll is conduct...
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