A 4-column table with 4 rows titled Hours Spent Studying. Column 1 has entries 11, 6, 14, 5. Column 2 has entries 8, 6, 0, 4. Column 3 has entries 9, 2, 3, 5. Column 3 has entries 4, 6, 7, 2. Students were asked how many hours during the weekend they studied for a Monday exam. Each row of the table represents one sample from the class. Find the mean of each sample. Mean of samples in row 1: Mean of samples in row 2: Mean of samples in row 3: Mean of samples in row 4: