1.21 Three professors at Northern Kentucky University
compared two different approaches to teaching courses in
the school of business (M. W. Ford, D. W. Kent, and S.
Devoto, “Learning from the Pros: Influence of Web-Based
Expert Commentary on Vicarious Learning about Financial
Markets,” Decision Sciences Journal of Innovative
Education, January 2007, 5(1), 43–63). At the time of the
study, there were 2,100 students in the business school and
96 students were involved in the study. Demographic data
collected on these 96 students included class (freshman,
sophomore, junior, senior), age, gender, and major.
a. Describe the population of interest.
b. Describe the sample that was collected.
c. For each of the four demographic variables mentioned
above, indicate if they are categorical or numerical.
a. The population of interest in this study is the entire student body of the business school at Northern Kentucky University.
b. The sample that was collected includes a subset of the population, specifically the 96 students who were involved in the study.
c.
- Class (freshman, sophomore, junior, senior): This is a categorical variable as it represents different categories or groups.
- Age: This is a numerical variable as it represents a continuous numerical value.
- Gender: This is a categorical variable as it represents different categories or groups (male or female).
- Major: This is a categorical variable as it represents different categories or groups based on the chosen area of study.