Strictly answer all question providing detailed answers

Questions 113-120 refer to the following information.

In a population of 320 employees of a manufacturing plant, the mean salary is $55,000 with a standard deviation of $4,000. The median salary is $48,000, and the 60th percentile is $57,500.

113. Which of the following statements is always true?

(A) The salary data are skewed to the left.

(B) Fifty percent of the employees have salaries of at least $55,000.

(C) Sixty percent of the employees have salaries that are less than

$57,500.

(D) Ten percent of the employees have salaries between $55,000 and

$57,500.

114. How many employees have salaries that are greater than $57,500?

(A) 40

(B) 128

(C) 160

(D) 192

115. Which of the following salaries has a percentile rank of 50?

(A) $48,000

(B) $51,500

(C) $55,000

(D) $57,500

05_ch05.indd 37 8/14/13 3:23 PM389 McGraw-Hill's 500 Statistics Questions

116. How many employees have salaries between $48,000 and $57,500?

(A) 10

(B) 32

(C) 50

(D) It cannot be determined from the information given.

117. How many employees have salaries between $55,000 and $57,500?

(A) 10

(B) 32

(C) 50

(D) It cannot be determined from the information given.

118. What is the z-score for a salary of $57,500?

(A) 0.625

(B) 0.600

(C) 2.375

(D) 1.600

119. What is the z-score for the median?

(A) -1.75

(B) -0.500

(C) 0.500

(D) 1.75

120. Which of the following salaries has a z-score of 1.25?

(A) $50,000

(B) $53,000

(C) $60,000

(D) $62,500

Be sure of your answer in this part

Question 11

What does BM mean in relation to blood sugar monitoring?

Question 12

What is the role of urine examination in diabetic control?

Question 13

Diabetes and diet: could the authors of my favourite medical text please advise whether or not it is acceptable to have controlled quantities of refined sugar, providing the total calorie intake is kept under control?

Question 14

Do non-obese patients with impaired fasting glucose, i.e. a glucose level of 6.1-6.9 mmol/L, need drug treatment with biguanides if lifestyle modifications fail to normalize?

Question 15

Do non-obese patients with impaired glucose tolerance (but not fulfilling the criteria for diabetes mellitus) need drug treatment with biguanides if lifestyle modifications fail to normalize their post-prandial blood glucose measurements?

Question 16

It is the Muslim month of fasting currently. I would be grateful if you could advise on how to adjust the insulin regimen of a type 1 diabetic patient, for example a 21-year-old girl who is on subcutaneous Actrapid (short-acting soluble insulin) 22 units t.d.s.

Question 17

I would like to know more about the use of the glitazone group in type 2 diabetes: its action, side-effects, precautions taken on using them.

Question 18

In a patient receiving oral antidiabetics, should the drug be administered just after taking the blood sample for fasting blood glucose level (and before a meal), or just prior to the sample being taken?

Question 19

What oral antidiabetics are safe in pregnancy?

Question 20

Is it necessary to put all type 2 diabetics on aspirin?