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The table below shows the distribution of degree marks amongst 100 students at the end of a Maths course.
\nDegree mark | \nFrequency | \n
[70.0 - 100.0] | \n21 | \n
[60.0 - 70.0) | \n47 | \n
[50.0 - 60.0) | \n23 | \n
[40.0 - 50.0) | \n6 | \n
[0.0 - 40.0) | \n3 | \n
What is the mean degree mark?
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