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CHALLENEG 1 Mr. Carl Burl, an artist, has recorded the number of visitors who visited his exhibit in the first 8 hours of opening day. He has made a scatter plot to depict the relationship between the number of hours and the number of visitors.
How many visitors came to his exhibition in the first 3 hours? a.) 16 visitors b.) 6 visitors c.) 7 visitors d.) 22 visitors In order to get the total number of visitors in the first 3 hours, we need to sum up the visitors at 1, 2, and 3 hours. In the first hour, there were four visitors. In the second hour, there were five visitors. In the third hour, there were seven visitors. Add the visitors together to get 4+5+7 = 16 total visitors in the first 3 hours. Robert is wondering if there is an association between the number of hours he studies and the number of semester credits he is enrolled in. The information is shown in the scatterplot below.
If Robert is enrolled in five-semester credits, how many hours did he study? a.) 4 hours b.) 3 hours c.) 6 hours