Find the solution to the system of equations represented by the matrix shown below. [ 1 1 1 | 22 ]
[ 6 1 8 | 89 ]
[ -6 4 4 | 38 ]

The test scores of 32 students are listed below. construct a boxplot for the data set and include the values of the 5-number summary. 32 37 41 44 46 48 53 55 57 57 59 63 65 66 68 69 70 71 74 74 75 77 78 79 81 82 83 86 89 92 95 99