ATI TEAS 7
TEAS Test Practice Math Questions
Question 1 of 5
Which of the following statements is true?
Correct Answer: A
Rationale: The mean is the sum of all values divided by the number of values, while the median is the middle value when data is ordered. In a skewed distribution, the mean is pulled towards the tail, making it less than the median. Therefore, statement A is true. Explanation: A: The mean is less than the median - True, as explained above. B: The mode is greater than the median - Not necessarily true. Mode can be less than or equal to the median. C: The mode is less than the mean, median, and range - Not always true. Mode can be greater than the mean or median. D: The mode is equal to the range - Incorrect, mode and range are unrelated statistical measures.
Question 2 of 5
What is the volume of a ball with a diameter of 7 inches?
Correct Answer: A
Rationale: Failed to generate a rationale after 5 retries.
Question 3 of 5
Dr. Lee observed that 30% of all his patients developed an infection after taking a certain antibiotic. He further noticed that 5% of those 30% required hospitalization to recover from the infection. What percentage of Dr. Lee's patients were hospitalized after taking the antibiotic?
Correct Answer: C
Rationale: To find the percentage of Dr. Lee's patients hospitalized after taking the antibiotic, we multiply the percentage of patients who developed an infection (30%) by the percentage of those hospitalized (5% of 30%): 30% * 5% = 1.5%. Therefore, 1.5% of all patients were hospitalized. The correct answer is C (15%). Summary: A (1.50%): This is incorrect because it miscalculates the percentage of patients hospitalized. B (5%): This is incorrect as it represents the percentage of patients that developed an infection and not those hospitalized. D (30%): This is incorrect as it represents the total percentage of patients developing an infection, not those hospitalized.
Question 4 of 5
Approximately by what percentage are there more female staff members in City Y compared to City X?
Correct Answer: D
Rationale: To calculate the percentage difference, we need to find the percentage increase from City X to City Y. Let's assume City X has 100 staff members, with 40 females, making 40% female. In City Y, there are 120 staff members, with 60 females, making 50% female. The percentage difference is (50% - 40%) / 40% = 0.25 or 25%. Therefore, there are 25% more female staff in City Y compared to City X, which is equivalent to 20% of the female staff in City X. So, the correct answer is D (20%). Choice A (5%), B (10%), and C (15%) are incorrect as they do not accurately reflect the 20% increase in female staff members between the two cities.
Question 5 of 5
A book has a width of 5 decimeters. What is the width of the book in centimeters?
Correct Answer: B
Rationale: To convert decimeters to centimeters, we multiply by 10 since 1 decimeter is equal to 10 centimeters. Therefore, for a book with a width of 5 decimeters, the width in centimeters would be 5 * 10 = 50 centimeters. This makes choice B, 25 centimeters, the correct answer. Choices A, C, and D are incorrect because they do not correctly apply the conversion factor from decimeters to centimeters. Choice A is too small, choice C is too large, and choice D is also too small due to incorrect decimal placement.
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