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(Single Best Answer) Question 1: The distribution of random blood glucose measurements from 50 first year medical students was found to have a mean of 3.0 mmol/litre with a standard deviation of 3.0 mmol/litre. Which of the following is a correct statement about the shape of the distribution of random blood glucose in these first year medical students ?
A) Since both mean and standard deviation are equal, it should be a symmetric distribution
B) The distribution is likely to be positively skewed
C) The distribution is likely to be negatively skewed
D) Nothing can be said conclusively
Answer (Select an option above to get the answer):
(Single Best Answer) Question 2: The fasting blood levels of glucose for a group of diabetics is found to be normally distributed with a mean of 105 mg per 100 ml of blood and a standard deviation of 10 mg per 100 ml of blood. From this data, it can be inferred that approximately 95% of the diabetics will have their fasting blood glucose levels within the limits of ?
A) 75 and 135 mgs
B) 85 and 125 mgs
C) 95 and 115 mgs
D) 65 and 145 mgs
Answer (Select an option above to get the answer):
(Single Best Answer) Question 3: The Hb level in healthy women has mean 13.5 g/dl and standard deviation 1.5 g/dl, what is the Z score for a woman with Hb level 15.0 g/dl ?
A) 9.0
B) 10.0
C) 2.0
D) 1.0
Answer (Select an option above to get the answer):
(Single Best Answer) Question 4: The standard normal distribution ?
A) Is skewed to the left
B) Has mean = 1.0
C) Has standard deviation = 0.0
D) Has variance = 1.0
Answer (Select an option above to get the answer):
(Single Best Answer) Question 5: For a negatively skewed data mean will be ?
A) Less than median
B) More than median
C) Equal to median
D) One
Answer (Select an option above to get the answer):
(Single Best Answer) Question 6: Mean and standard deviation can be worked out only if data is on ?
A) Interval/Ratio Scale
B) Dichotomous Scale
C) Nominal Scale
D) Ordinal Scale
Answer (Select an option above to get the answer):
(Single Best Answer) Question 7: Mean hemoglobin of a sample of 100 pregnant women was found to be 10 mg% with a standard deviation of 1.0mg%. The standard error of the estimate would be ?
A) 0.01
B) 0.1
C) 1.0
D) 10.0
Answer (Select an option above to get the answer):
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