6. Observational study or randomized experiment For each of the following exampl
ID: 2923694 • Letter: 6
Question
6. Observational study or randomized experiment For each of the following examples, decide whether the study is an observational study or a randomized experiment. A group of guests at an amusement park volunteer to record which rides they visit over the course of 1 day at the park. Their responses are collected and analyzed by park employees. A group of 100 business majors is randomly divided, with 50 students assigned a take-home midterm exam and the remaining 50 assigned an in-class exam. The test results from each group are compared with one another A selection of students in a statistics course track their study habits (time spent on homework and on reading, study locations, and so forth) over the course of the term. Their responses are compiled by the professor for analysisExplanation / Answer
Observational Study - The study variable derived from object i.e. from experimental study & also we measure the charateristic of the variable is called the observational Study.
Randomized experiment- variables from a experiment are randomly assigned and used for statistical analysis purpose.
A group of guest at an amusement park volunteer to records which rides they visit over the course 1 day at park.Their responses are collected and analysed by park employees is a Observational Study.
A group of 100 business measures is randomly divided, with 50 student assigned a takehome and remaining 50 assigned an in-class exam.The test result from each group compared with one another is a Randomized experiment.
A selection of a student in astatistic course track their study habites (time spend on homework and on reading, study locations, and so forth)over the course of the term. Their responses are compiled by the professor for analysis is a Observational Study.
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