The authors of the paper Is It Really About Me? Message Content in Social Awareness Streams (Computer

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The authors of the paper €œIs It Really About Me? Message Content in Social Awareness Streams€ (Computer Supported Cooperative Work 2010) studied a random sample of 350 Twitter users. For each Twitter user in the sample, the tweets sent during a particular time period were analyzed and the Twitter user was classified into one of the following categories based on the type of messages they usually sent:

The accompanying table gives the observed counts for the five categories (approximate values from a graph in the paper).

Carry out a hypothesis test to determine if there is convincing evidence that the proportions of Twitter users falling into each of the five categories are not all the same. Use a significance level of 0.05.

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Question Posted: Nov 28, 2015 06:53 AM

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The authors of the paper Is It Really About Me? Message Content in Social Awareness Streams (Computer

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Category IS oc RT ME 0 Description Information sharing Opinions and complaints Random thoughts Me now (what I am doing now) Other Twltter Category IS OC RTME o observed unt S1 6 64 01 73

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