akothstella470 akothstella470
  • 26-03-2024
  • Business
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1.      Two machines P and Q are used to produce bags of cement of masses in kilograms shown in the table.   
Machine P 50 51 48 50 51 52 54 51 53
Machine Q 55 49 56 47 50 51 52 54  
Test if there is a difference between the two machines.  ​

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