TEAS Math: Measurement and Data — Questions and Answers
Question 1: A patient weighs 68 kilograms. Using the conversion factor 1 kg ≈ 2.2 lbs, approximately how much does the patient weigh in pounds?
- Approximately 30.9 lbs (68 ÷ 2.2)
- Approximately 149.6 lbs (68 × 2.2) (Correct answer)
- Approximately 70.2 lbs (68 + 2.2)
- Approximately 65.8 lbs (68 − 2.2)
Correct answer: Approximately 149.6 lbs (68 × 2.2)
To convert kilograms to pounds, multiply by 2.2 because one kilogram equals approximately 2.2 pounds. 68 × 2.2 = 149.6 lbs.
Question 2: A student's seven quiz scores are: 72, 85, 90, 68, 85, 92, 85. What is the mode of this data set?
- 68
- 82.4
- 85 (Correct answer)
- 90
Correct answer: 85
The mode is the value that appears most frequently. The score 85 appears three times, more than any other value in the set.
Question 3: A data set contains the values 10, 20, 30, 40, and 200. Which measure of central tendency would BEST represent this data without being distorted by the outlier?
- Mean, because it uses every value in the calculation
- Median, because it is resistant to the effect of extreme outliers (Correct answer)
- Mode, because it reflects the most frequently occurring value
- Range, because it captures the full spread of the data
Correct answer: Median, because it is resistant to the effect of extreme outliers
The median — the middle value when data is ordered — is not pulled by extreme outliers. Here the median is 30. The mean would be (10+20+30+40+200)/5 = 60, which does not represent the bulk of the data well.
Question 4: A nursing student scores 78, 84, 91, and 87 on four exams. What is her mean score?
- 82.5
- 85 (Correct answer)
- 87
- 83.5
Correct answer: 85
Mean = sum of all values ÷ number of values = (78 + 84 + 91 + 87) ÷ 4 = 340 ÷ 4 = 85.
Question 5: A rectangular hospital room measures 12 feet in length and 7 feet in width. What is the perimeter of the room?
- 84 feet
- 38 feet (Correct answer)
- 19 feet
- 26 feet
Correct answer: 38 feet
Perimeter of a rectangle = 2 × (length + width) = 2 × (12 + 7) = 2 × 19 = 38 feet. Area would be 12 × 7 = 84 sq ft — a common wrong answer.
Question 6: A pie chart shows student subject preferences: 25% Science, 35% Math, 20% English, and the rest Reading. What percentage of students prefer Reading?
- 10%
- 15%
- 20% (Correct answer)
- 25%
Correct answer: 20%
All percentages in a pie chart must total 100%. The known values sum to 25 + 35 + 20 = 80%, so Reading = 100% − 80% = 20%.
TEAS Math: Measurement and Data
A patient weighs 68 kilograms.
Using the conversion factor 1 kg ≈ 2.2 lbs, approximately how much does the patient weigh in pounds?