Without adding, find the sum of the following numbers : 1+3+5+7+9+11+13+15+17+19+21+23+25

Find the modes of the following data. 26, 15, 19, 16, 18, 17, 20, 14, 13, 25

Find the modes of the following data. 25, 14, 18, 15, 17, 16, 19, 13, 12, 24

Find the modes of the following data. 25, 14, 18, 15, 17, 16, 19, 13, 12, 24

Find the median of the following data: 5,7,9,11,15,17,2,23 and 19

Find the mode of the following data. 20 ,3, 7 ,13 , 3 , 6 , 7 ,19 , 15 , 7 , 18 ,3 .

Find the mode of the following 20,21,15,18,21,17,21

Find the median for the following data: 28, 15, 11, 19, 31, 20

Write the numerator and denominators of the following fractional numbers : 7/2, 19/3, 11/13, 8/3 .

Find the mean deviation about the median for the following data: 13, 17, 16, 11, 13, 10, 16, 11, 18, 12, 17.