Question

The paper "College Students' Social Networking Experiences on Facebook" (Journal of Applied Developmental Psychology [2009]: 227-238) summarized a study in which 92 students at a private university were asked how much time they spent on Facebook on a typical weekday. The researchers were interested in estimating the average time spent on Facebook by students at this university.

Short answer

Without individual time data for all 92 students, we can't calculate the average time spent on Facebook by students at this university.

Step-by-step solution

Identification of Given Data

Identify that 92 students were involved in the study and each student's daily time spent on Facebook is recorded. However, the individual times are not given in the exercise.

Recognize the Problem

Here it can be recognized that the problem is about finding the average time spend on Facebook. But we can't solve this problem directly without specific time data for each student.

Hypothetically Solve the Problem

Assume we have time data for each of the 92 students. To calculate mean or average, one has to sum up all individual times and then divide this total by the number of students (92 in this case). This hypothetical solution procedure gives an insight on how to solve the problem if data was provided.