A researcher was interested in comparing the number of campu…
A researcher was interested in comparing the number of campus recreation visits during the semester for STEM/Science undergraduate majors versus non-STEM/Science undergraduate majors. From a computer database that had divided the undergraduate population into STEM/Science undergraduate majors and non-STEM/Science undergraduate major, the researcher randomly selected 100 STEM/Science undergraduate majors and randomly selected 100 non-STEM/Science undergraduate majors, and then obtained data records for the number of campus recreation visits during the Fall term. How many degrees of freedom would this statistical test have?
Read DetailsExtra Credit – No Penalty for Trying If a researcher has a n…
Extra Credit – No Penalty for Trying If a researcher has a nominal/categorical variable like Sport Participated In (Swimming, Basketball, Track, Soccer), what is meant when a researcher creates “dummy variables” to represent this variable? What is a dummy variable?
Read DetailsA researcher was interested in comparing 3 group conditions:…
A researcher was interested in comparing 3 group conditions: Meditation, Progressive Muscle Relaxation PMR), and a Control condition on heart rate. 28 freshmen undergraduates from USF were randomly selected. From these 28 students, 13 were randomized to the Control Condition, 8 were randomly assigned to Meditation, and 7 were randomly assigned to Progressive Muscle Relaxation. Using a .05 level of significance is there a statistically significant difference between PMR and Meditation?
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