Sociology: Methods of Communication Random samples of people ages 15-24 and 25-34 were asked about their preferred method of (remote) communication with friends. The respondents were asked to select one of the methods from the following list: Video call, text message, email, other, as shown in Table 11-25.
(i) Make a cluster bar graph showing the percentages in each age group who selected each method.
(ii) Test whether the two populations share the same proportions of preferences for each type of communication method. Use
\alpha =0.05
.
TABLE 11-25
\table[[Preferred Communication Method],[,\table[[Video],[Age]],\table[[Text],[Message]],Email,Other,\table[[Row],[Total]]],[
15-24
,48,40,5,7,100],[
25-34
,41,30,15,14,100],[\table[[Column],[Total]],89,70,20,21,200]]