Find the specified quartile.The test scores of 15 students are listed below. Find the lower quartile, QL.
A. 57
B. 53
C. 54.0
D. 55
Answer: D
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A new car dealership has taken an inventory of the vehicles it has in stock. Below is a histogram indicating the number of vehicles in stock in certain price ranges. Use the histogram to answer the question.
How many vehicles does the dealership have in stock that are priced at $28,000 or over?
A. 6 vehicles B. 30 vehicles C. 25 vehicles D. 5 vehicles
Use Descartes' rule of signs to help list the possibilities for the nature of the solutions for the equation. Do not solve the equation.x5 - 11x4 + 14x3 - x2 + 6x - 1 = 0
A. 5 positive solutions B. 5 positive solutions or 3 positive and 2 negative solutions or 1 positive and 4 nonreal complex solutions C. 5 positive solutions or 3 positive and 2 nonreal complex solutions or 1 positive and 4 nonreal complex solutions D. 3 positive solutions and 2 negative solutions or 3 positive and 2 nonreal complex solutions or 1 positive and 4 nonreal complex solutions E. 2 positive solutions and 3 negative solutions or 3 negative and 2 nonreal complex solutions or 1 negative and 4 nonreal complex solutions
Solve.Use the following graph to solve -x2 - 3x + 18 = 0.
y = -x2 - 3x + 18
A. -3, 6 B. 18 C. -18 D. 3, -6