A teacher is deciding which measure of center describes the recent test scores of his Geography class. He asks his teammates to help him
decide.
The test scores are as follows: 47, 47, 47, 56, 56, 56, 61, 61, 75, 75, 75, 81, 81, 81.
Eden says he should pick the median. Chen says he should pick the mean. Emma says he should pick the mode. Benjamin says it
does not matter, so he could pick the mean or the median.
Asse
which teammate is right and why?
Answers:a-eden is right because it is skewed to the right. B-Chen is right because it’s skewed left. C-Emma is right because it is symmetric. D-Benjamin is because it is symmetric. E-None are right