giavanleer14
31.05.2020 •
Mathematics
Suppose the length of each edge of a cube of ice is 4 centimeters. Find the surface area of the cube.
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Ответ:
The correct answer is B-Cienna should have interviewed all the students in the school to get more accurate data.
Step-by-step explanation:
The reason is that we attempt to avoid bias of students. We cannot be sure if advanced students would like dance more or less. They may like it more since they signed up for an advanced dance class, but they may also like it less because it is hard.
However, samples should have either a complete set of data or a random sampling.