Statistics & Data ScienceMediumMiddle Stage (6–8)High School (9–10)High School (11–12)UndergraduateGeneralStatistics Basics › Data and Sampling
Created by StemPy LabTo learn how much pocket money the students of a school get, Arjun asks only the students in the queue at the ice-cream stall. What is the problem with his sample?
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← Meena lists the bus routes that stop near her school: 12, 47 and 103. She says the mean route number, 54, tells you something useful about the buses. What is the mistake?A table of a cricket tournament has one row for each match and 7 columns. It holds 210 facts in all. How many matches does it record? →
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