2. Personal smartphones collect data about users. One such piece of data is "screen time per week." We would like to assess if average screen time per week is the same for three age groups of users: "teens" "young adults" and "middle-aged adults"

Which set of hypotheses would be most appropriate for this procedure?

A. H0:1=2

Ha:Ha:12

B. H0:p1=1/3,p2=1/3,p3=1/3

Ha:leastonepiisnotasstatedinH0

C. H0:1=1/3,2=1/3,3=1/3

Ha:atleastoneiisnotasstatedinH0

D. H0: 1=2=3

Ha:Ha:atleastoneiisnotequaltotheothers

E. H0:p1=p2=p3

Ha:atleastonepiisnotequaltotheothers