Maci is a social networking maniac! Although she prefers Instagram, she also spends a lot of time using Twitter, Pinterest, and Facebook. She is curious as to which social networking site is the most preferred for her age group, so she decides to conduct a study. Maci creates a survey to hand out to other students at her school. She plans to collect data from this survey and analyze the results to help her decide which social networking site is the most preferred. What is the variable of interest in this study?     Maci     survey     social media sites     the students

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