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The data given below shows the marks obtained by various students.
What is the mean marks (Correct up to two decimal places) of given data? |
13.67 13.33 14.67 15.33 |
14.67 |
Total number of students = 6 + 8 + 5 + 7 + 4 = 30 Mean marks = \(\frac{11×6 + 13 × 8 + 15×5 + 17×7 + 19×4}{30}\) = \(\frac{66 + 104+ 75 + 119 + 76}{30}\) = \(\frac{ 440}{30}\) = 14.67 |
