6 A toxicology laboratory associated with a state medical examiner s office purchases a new type of extraction sys tem with the

Question

6 A toxicology laboratory associated with a state medical examiner s office purchases a new type of extraction sys tem with the hope of improving on its current method of screening for fentanyl in postmortem blood samples T validate the change lab analysts run 20 samples using the older extraction method and the same 20 samples usin the new method results given in g L The laboratory director asks Is this new method more reproducible tha the old method You elect to use a hypothesis test to answer the question specifically the F test Use online c other resources to learn about the F test and apply it to the question at hand Explain why the F test works wha your null hypothesis is and whether the data support rejecting or accepting the null hypothesis at the 95 leve p 0 05 Is the new method better in terms of reproducibility Old method Bac 3 77 3 81 3 77 3 85 3 77 3 80 3 71 3 82 3 76 3 76 New method 3 49 3 85 3 54 Con 3 63 3 60 RET PET 5 3 65 3 70 3 52 3 91 3 58 7 Why can there never be a true value Old method 3 76 3 90 3 74 3 86 3 79 3 82 3 88 3 82 3 87 3 74 New method 3 78 3 96 3 81 3 53 3 87 3 67 3 71 3 95 3 69 3 50 1

Kunduz · Accepted Answer

Click to see the answer