MT_key - Name Date ANSWER KEY Midterm Exam MAT109DL 1) a)...

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Name Midterm Exam MAT109DL Date ANSWER KEY 1) a)It is descriptive as the report just gives the percentage of those sampled and does not make an inference about the entire population. b) An experiment is “double blind” if neither the subjects nor the researcher(s) know what treatment(s) the subjects are being given. The purpose of conducting the experiment as a “double blind” experiment is to prevent the subjects and the researchers from biasing the results. c) i) An observational study would be the ethical choice, in addition to being cheaper and easier to conduct. ii) A designed experiment allows you to establish cause in a relation. In addition, conducting a designed experiment allows researchers to have greater control over variables. d) The treatment would be boxing, the response variable the students’ stress levels measured on the pre and post tests, and the type of experimental design a matched pairs design. 2) a) i) Sampling errors are errors that result from using a sample to make inferences about an entire population. Sampling errors occur as a result of a sample providing incomplete information about the population. ii
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MT_key - Name Date ANSWER KEY Midterm Exam MAT109DL 1) a)...

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