One sample t test Psychologists know that the average person posts 2 social media posts per day. However, research suggests that teens are not like the "average person" and because they spend significantly more time on the electronic devices, they should be posting more on social media. Researchers gather a group of local teens and monitor their social media accounts for 1 day - recording the number of social media posts they make. Below is the number of social media posts in one day for each teen. Do teens post more or less on social media than the average person? Test at a = .05. Social media posts: 2, 4, 3, 4, 4, 2, 2, 4, 5, 3, 4, 0, 3, 2, 4