Identify the type of study method described in the following situation and explain whether the...

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Identify the type of study method described in the following situation and explain whether the sample statistics can be used to make a general conclusion about the population A list of students is randomly generated from the school database Information for every student is entered into the database and each student has an equally likely chance of being selected The students selected are asked how much time they spend on household chores each week Choose the correct answer below Observational study the statistics are somewhat unreliable in this study because not all students have an equally likely chance of being selected Although the data collected cannot be used to make a general conclusion about the entire population it may still be useful information O Controlled experiment the statistics of this study can be used to make a general conclusion about the time spent on household chores for these particular students as compared with other students not in the study O Survey the statistics can be used to make a general conclusion about the population because the samel is randomly generated and the survey question does not introduce a bias into the study

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