The box plots below show student grades on the most recent exam compared to overall grades in the class: two box plots are shown. the top one is labeled class. minimum at 70, q1 at 74, median at 83, q3 at 92, maximum at 100. the bottom box plot is labeled exam. minimum at 60, q1 at 81, median at 87, q3 at 91, maximum at 95.

which of the following best describes the information about the medians?
the exam outlier at 60 makes the iqr narrower and the median higher.
the class data are more evenly spread, which pulls its median down.
the class median is lower than the exam median.
the class q3 is lower than the exam q3.

Which scenarios are most effectively explored by conducting an experiment? there is more than one correct answer. select all that apply. researchers want to study the effectiveness of a particular drug for treating migraines. they want to know which dosage of the drug yields the best results with the least side effects. to ensure fair results, the researchers want to ensure that participants and dosage administrators do not know which dosage participants receive. a teacher wants to plan a class fieldtrip and quickly determine where students prefer to go for the class fieldtrip. a car mechanic wants to know which of two engine brands makes better-performing engines. he wants to test the engines in identical situations and rate their performance in a way that can be fairly measured. a chemist studies the properties of a metal compound. she wants to know how the sample size of the metal affects its ability to conduct electricity. she wants to conduct the research in a controlled environment to minimize bias. a realty company wants to know the average income of its clients. the company wants to gather data income from current clients.