A random sample of 500 students showed a statistically significant relationship between where the students usually sat in class (front, middle, or back) and grade point average (GPA). Can a conclusion that where a student sits in the classroom causes a change in GPA?
a. A cause and effect relation might be concluded because the results were statistically significant.
b. A cause and effect relation might be concluded because the study was a randomized experiment.
c. A cause and effect relation cannot be concluded because the study was an observational study.
d. A cause and effect relation cannot be concluded because seating preference was self-reported.
Question 2
A random sample of 500 students showed a statistically significant relationship between where the students usually sat in class (front, middle, or back) and grade point average (GPA). What is the explanatory variable in the study?
a. Where a student typically sits in class (front, middle, or back)
b. Grade point average (GPA)
c. Class standing (freshman, sophomore, junior, or senior)
d. Gender (Male or Female)
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