Boxplots and Outliers — Unit test Answers

An appliance store sells microwave ovens and has many different styles to choose from. A handout from the store contains details about brand, type (countertop or over-range), number of power settings, and color. Which of the variables is a discrete quantitative variable?

One drive-through car wash facility offers three different types of washes: basic, deluxe, and supreme. The manager of the car wash facility tallies customer selections over three days. Type of Car Wash BasicDeluxeSupremeTotalDayFriday15431977Saturday275222101Sunday23451987 Total6514060265Given that a customer got their car washed on Friday, what is the probability that the customer selected the deluxe car wash?

Students apply for admission to different academic programs within a college. Because of space, each program can only accept a limited number of students. The table below shows the acceptance data for a selection of majors in the college. Acceptance Status AcceptedRejectedTotalCollege MajorChemistry721890Business6535100Spanish451560 Total18268250What is the probability that a student was accepted, given that the student applied to the business program?

Alex records the running time—the number of minutes a movie lasts from start to finish—of 50 popular movies. The distribution of times, in minutes, is shown in the histogram below.

Some students were surveyed about their favorite type music and school-subject preferences. The results are displayed below.