The table shows the number of wins of two high school softball teams over the past ten years. Which statement BEST compares the
mean absolute deviation (MAD) of the two sets of data?

the answer is D

Step-by-step explanation:

D) Westfield's data shows greater variability, since Westfield's MAD is approximately 2.9 times greater than Eastfield's MAD.  

D) Westfield's data shows greater variability, since Westfield's MAD is approximately 2.9 times greater than Eastfield's MAD.

Step-by-step explanation:

Westfield's data shows greater variability, since Westfield's MAD is approximately 2.9 times greater than Eastfield's MAD.

Westfield's MAD = 6.56

Eastfield's MAD = 2.28

Therefore,

6.56

2.28

= 2.877

MAD =

∑|x − X|

n

, where x = Data value, X = Mean, and n = Number of values

you can't solve x because it is 2 linear equation and you only have one equation

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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