TestAS case studies
TestAS · Put your knowledge to work in context.
TestAS is a centralised, standardised aptitude test for international applicants who plan to study at a German university. It is offered by g.a.s.t. (Gesellschaft für Akademische Studienvorbereitung und Testentwicklung e. V.), a non-profit organisation, and is used at many German universities as an instrument for valid, fair and objective selection. Topics on this exam: General aptitude (allgemeine Studieneignung) and Subject-specific aptitude (fachspezifische Studieneignung). The TestAS case studies are 5 cases and about 2,129 words.
1Bottleneck in a Campus Print Center
During exam week, a campus print center receives about 50 jobs per hour. Each job goes through four steps in sequence. Intake and file check takes one clerk 2 minutes per job. Printing uses three identical printers; each job occupies one printer for 5 minutes.
464 words, about 2 min2Scheduling Peer Tutoring Sessions
An after-school tutoring center has three volunteer tutors and six student requests for next Saturday. Each session lasts one hour. Tutor A is available 09:00-12:00 and can tutor math and chemistry. Tutor B is available 10:00-13:00 and can tutor math and physics.
340 words, about 2 min3Pricing a Subscription Tier
A subscription language app has 10,000 paying users at 9 per month. Variable cost is 1.50 per user per month, and fixed costs are 40,000 per month. Monthly churn is 4% of active users, and the app currently adds 600 new subscribers per month. Management proposes raising the price to 12.
423 words, about 2 min4Sampling Plan for a Battery Assembly Line
A plant assembles 2,000 battery packs per day. Historical defect rate is 2%, but a new supplier has raised concern that the rate may be 4%. The quality team can either test 40 randomly selected packs per day with a full electrical test, or use a two-stage plan: test 20 randomly selected packs; if 0 or 1 is defective, accept the day's lot without further testing; if 2 or more are defective, stop the line and test all 2,000 packs. Each full test costs 8; stopping the line and testing all packs costs an additional 12,000 in lost production.
471 words, about 2 min5Interpreting a Student Well-Being Survey
A university surveys 1,200 randomly selected students about high stress. 300 students respond (25%). The respondent breakdown is: medicine 100, engineering 50, humanities 60, business 50, other 40. The university's student population is: medicine 10%, engineering 30%, humanities 25%, business 20%, other 15%.
431 words, about 2 min