Evaluate the following: ` |[9,9,12],[1,3,-4],[1,9,12]| `

|{:(9,9,12),(1,-3,-4),(1,9,12):}|=0

Without expanding,show that |[9,9,12],[1,-3,-4],[1,9,12]|=0

Find the mode of the following numbers : 7,4,10,15,7,3,5,2,9,12

Find the mean deviation about the median for the following data: 3, 9, 5, 3, 12, 10, 18, 4, 7, 19, 21.

Find mean and variance for the following data 5,9,8,12,6,10,6,8.

Find the mode of the following data. 5,6,9,10,6,12,3,6,11,10,4,6,7

Find the mean deviation about the mean for the following data : 12, 3, 18, 17, 4, 9, 17, 19, 20, 15, 8, 17, 2, 3, 16, 11, 3, 1, 0, 5

Find the mode of the following numbers : 3,5,6,7,9,12,12,7,9,3,5,6

simplify the following : 200-:[88-{(12xx13)-3xx (40-9)}]

Find the value of S.D. of each of the following distributions : 1,2,3,4, . . . 9, 10