TEAS Test Practice Math

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.

Correct Answer: B

Rationale: To solve the equation, we first distribute the 3 to both terms inside the parentheses: 6y + 150 - 4y = 500. Combining like terms, we get 2y + 150 = 500. Next, we isolate the variable by subtracting 150 from both sides, giving us 2y = 350. Finally, we divide by 2 to solve for y, resulting in y = 175. Choice B is correct because it correctly follows the order of operations and simplifies the equation accurately. Choices A, C, and D are incorrect as they do not yield the correct value of y when substituted back into the original equation.

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.

Correct Answer: D

Rationale: To determine the percentage of rainfall received in October, divide the total rainfall received in October by the total rainfall during the timeframe and multiply by 100. Let's say the total rainfall in October is 177 mm and the total rainfall during the timeframe is 1000 mm. (177/1000) * 100 = 17.7%. So, the correct answer is D. Choices A, B, and C are incorrect as they do not accurately represent the percentage of rainfall received in October based on the given data.

Correct Answer: B

Rationale: The correct answer is B: $86,666.67. To calculate this, divide the total operating expenses ($130,000) by 3, as a general guideline is that one-third of operating expenses typically go towards employee wages and benefits. $130,000 / 3 = $43,333.33. However, this only represents the wages portion, and benefits are typically an additional 50% of wages, making the total amount spent on wages and benefits $43,333.33 + ($43,333.33 * 0.5) = $86,666.67. Choice A: $43,333.33 - This only represents the wages portion and does not include benefits. Choice C: $52,000.00 - This amount does not account for benefits and is not calculated correctly. Choice D: $78,000.00 - This amount is only the wages portion and does not include benefits.