C784 Applied Healthcare Statistics (AQO1)

1. Given the following set of numbers: 10, 2.5, -4, -4.5, 5. What is the sum of these numbers?

• 9.0
• 17.5
• -8.5
• 15.0

2. Given the following set of numbers: 22, 8.9, -22, -8.9, 1, -2. What is the sum of the whole numbers?

• -21
• -1
• 23
• 1

3. What is the answer to the following expression when using the correct order of operations? 4 + 7 × (6 – 3)

• 25
• 33
• 43
• 49

4. What is the correct answer to the following expression using the proper order of operations? 2 × (18 – 14)^2 + 6

• 22
• 28
• 38
• 44

5. Using prime factorization, what is the greatest common factor of the square root of 196 and the square root of 49?

• 4
• 14
• 7
• 49

6. What are the principal square roots of 64 and 16?

• 8 and 4
• 4 and 16
• 32 and 8
• 8 and 2

7. The current reimbursement rate for a specific diagnosis-related group is $1,200.50. CMS announced a 15% increase. What is the rate increase to the closest dollar?

• $180.00
• $121.00
• $120.00
• $181.00

8. An intravenous drip is infused at a rate of 4.5 milliliters per minute. How many milliliters are infused per hour?

• 75.000 mL
• 2.700 mL
• 270.000 mL
• 0.075 mL

9. A patient is ordered 14 g of medication. The medication is available as 0.006 kg/10 mL. How many milliliters should the nurse administer?

• 2.33
• 4.30
• 23.33
• 43.30

10. Which amount should be administered to a patient who needs 1/4 of a one-liter bottle?

• 250 L
• 250 mL
• 500 mL
• 500 L

11. Solve the equation: 4(x – 3) = 8 – x

• 4
• 2
• 6
• 8

12. Solve the equation: x + 5/3 = 2/3

• -1
• 1
• 0
• 2

13. A normally distributed data set has a mean of 278 and standard deviation of 3. Which percentage falls between 275 and 281?

• 99
• 95
• 32
• 68

14. A data set is normally distributed with mean 30 and standard deviation 3. Which percentage falls between 24 and 30?

• 25
• 48
• 34
• 68

15. Given weights 75, 80, 84, 96, 110 lbs, what is the mean weight?

• 91 lbs
• 90 lbs
• 89 lbs
• 84 lbs

16. What is the median of the dataset 0.42, 0.48, 0.66, 0.73, 1.10, 1.10, 5.40?

• 0.42
• 0.66
• 0.73
• 1.10

17. A study was conducted to see if gender influences the number of alcoholic beverages consumed per day. Which classification is this?

• Quantitative, categorical
• Quantitative, quantitative
• Categorical, categorical
• Categorical, quantitative

18. A study was conducted on the relationship between age and whether a person has diabetes. Which classification is this?

• Categorical to categorical
• Categorical to quantitative
• Quantitative to quantitative
• Quantitative to categorical

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