Question: ( a ) Use the colon operator to extract the marks from C 0 3 , and then find the average of those marks (

(a) Use the colon operator to extract the marks from C03, and then find the average of those marks (using the
'sum' and 'length' commands).
(b) Use vertical concatenation to create a single column vector consisting of all of the marks from all 3 sections.
Then find the overall class average.
 (a) Use the colon operator to extract the marks from C03,

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