Which of the following is true of the data represented by the box plot?

box plot with point at 15, min at 17, q1 at 51, median at 65, q3 at 74, max at 90

the data is skewed to the bottom and contains one outlier.
the data is skewed to the top.
the data has a symmetrical distribution and contains no outliers.
the mean is most likely greater than the median.

answer: a video game has three difficulty levels: easy, medium, and expert. the game's scoring works in such a way that a player has to score a fixed number of points to advance to the next level, and then the scoring starts over. the total score needed to clear all three difficulty levels is 7,500. two times the number of points needed to clear the easy level is 500 more than the number of points needed to clear the medium level. twice the number of points needed to clear the medium difficulty level is 1,500 more than the number of points needed to clear the expert level. if x, y, and z represent the easy, medium, and expert levels, respectively, and a is the coefficient matrix of the system of equations modeling this situation, identify the inverse matrix, a-1, and the solution matrix, x, of the system of equations.

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rauschg

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