Two machines P and Q are used to produce bags of cement of masses in kilogrammes shown
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Question:
Two machines P and Q are used to produce bags of cement of masses in kilogrammes shown below.
Machine P
50
51
48
50
51
52
53
51
51
Machine Q
54
49
56
47
50
51
52
53
Test if there is a difference between the two machines.
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