Mathematics, 17.04.2021 08:10 craincrew5239
At Oakton, Midlothian, and Jefferson high schools, the long jumpers employ different strategies for competition.
- At Oakton high school, the jumpers are very conservative. They are always very careful not to fault, which would result in a jump of 000. But as a result they all jump similar short distances.
- At Midlothian, the jumpers are very aggressive. They jump as far as they can, but they risk faulting. About half the jumpers get a score of 000 and half jump long distances. (A "long distance" is about twice as far as a "short distance".)
- At Jefferson, the jumpers strike a balance. They are fairly aggressive, but also careful. As a result, most jump medium distances (between "long distances" and "short distances"), while one or two of them fault and jump 000.
Which of the following is true?
Choose all answers that apply:
a) If 6 out of the 12 Midlothian jumpers fault, the median jump at Midlothian is close to the median jump at Oakton.
b) The standard deviation for jumpers at Oakton is about the same as the standard deviation for jumpers at Midlothian.
c) The mean jump at Oakton is about the same as the mean jump at Midlothian.
d) The median jump at Jefferson is greater than the median jump at Oakton.
Answers: 2
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