The frequency bar graph in Fig. 11 describes how often 1026 Facebook users visit the site.

a. What variable is described by the bar graph? Is it categorical or numerical? Explain.
b. Estimate the number of Facebook users in the study who visited the site less than once per week.
c. Estimate the number of Facebook users in the study who visited the site at least weekly.
d. Estimate the number of Facebook users in the study who did NOT visit the site daily.
e. The study included a total of 1445 online users, but only some of them used Facebook. Estimate the percentage of the online users who used Facebook. Round your result to the ones place.

Transcribed Image Text:

Facebook Visits 700 600 · 500 400 300 200 100 Daily Weekly Less often How often site is visited