You are looking at the results of a box and whisker plot looking at different studies on a new drug being trialled in Hyperparathyroidism. Which of the following statements about box and whisker plots is least correct?

You are talking to the medical student at your practice about different forms of research. Which of the following options would be classed as the lowest form of research?

You are discussing a recent journal article at your weekly practice meeting with colleagues and interpreting the results. With regards to the statistical concept ‘median’; which one of the following statements is most correct?

200 patients presenting with symptoms suggestive of Crohn’s disease chose to take part in a new study which was looking at the validity of a new blood test for this condition. Out of these 200 patients, 140 had a negative test result. Of the 90 patients who had Crohn’s disease, 78 had a negative result. …

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200 patients presenting with symptoms suggestive of Crohn’s disease chose to take part in a new study which was looking at the validity of a new blood test for this condition. Out of these 200 patients, 140 had a negative test result. Of the 90 patients who had Crohn’s disease, 78 had a negative result. …

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200 patients presenting with symptoms suggestive of Crohn’s disease chose to take part in a new study which was looking at the validity of a new blood test for this condition. Out of these 200 patients, 140 had a negative test result. Of the 90 patients who had Crohn’s disease, 78 had a negative result. …

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200 patients presenting with symptoms suggestive of Crohn’s disease chose to take part in a new study which was looking at the validity of a new blood test for this condition. Out of these 200 patients, 140 had a negative test result. Of the 90 patients who had Crohn’s disease, 78 had a negative result. …

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You are reviewing the cholesterol levels of patients at your practice who are known to have a first degree relative diagnosed with Familial Hypercholesterolaemia. Below are the 9 readings. 10 9 7 5 6 7 8 6 9 Please select the correct answer which represents the median of these results.

A new laparoscopic operation approach is being tested for Appendicectomy to see if there are less wound infection rates with the newer laparoscopic approach. 100 patients had the new operation and out of these patients 5 developed a would infection. A further 100 patients had the old operation and 12 patients from this cohort developed …

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You are talking with one of the GP partners about the results of a recent study looking at Dabigatran in frail patients. Which one of the following statements regarding power of a study and variance is least correct?