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Question 1 of 4
1. Question
Question 1 of 4
A study of 400 patients hospitalized with diabetes mellitus-related complications shows that serum cholesterol level is a normally distributed variable with mean of 230 g/dl and standard deviation of 10 mg/dl. Based on the study results, how many patients do you expect to have serum cholesterol ≥ 250 mg/dl in this study?
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Question 2 of 4
2. Question
Question 2 of 4
A large study of serum cholesterol levels in patients with diabetes mellitus reveals that the parameter is normally distributed with a mean of 230 mg/dL and standard deviation of 10 mg/dL. According to the results of the study, 95% of serum cholesterol observations in these patients lie between which of the following limits?
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Question 3 of 4
3. Question
Question 3 of 4
A patient has his blood glucose level measured. The population mean blood glucose level is then subtracted from the patient’s blood glucose level. The result is then divided by the standard deviation. If we assume that the blood glucose level in the population follows a normal distribution, the value obtained is best referred to as:
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Question 4 of 4
4. Question
Question 4 of 4
HbA1c level is measured in diabetic patients placed on an intensive insulin therapy. The distribution of the values is shown on the slide below.
Which of the values indicated on the slide most likely correspond to the mean, median and mode, respectively?
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