the marks of 20 students in physics are given below: 56,32,57,74,12,45,68,87,11,34,53,23,47,24,78,37,68,79,44,67 b) Divide the class into two groups on the basis of the class performance.
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Answer:49.8
Step-by-step explanation:56+32+57+74+12+45+68+87+11+34+53+23+47+24+78+37+68+79+44+67÷20=
996÷20
=49.8
This Is your final answer
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