9, 12, 11, 14, 13, (.....), 15 (a) 12         (b) 16         (c) 10     (d) 17

|(11,12,13),(12, 13, 14),(13, 14, 15)|=

(-16)+14-(-13) is equal to: -11 (b) 12 (c) 11 (d) -15

(-16)+14-(-13) is equal to: (a) -11 (b) 12 (c) 11 (d) -15

Find the mode of the following data: 12, 14, 12, 16, 15, 13, 14, 18, 19, 12, 14, 15, 16, 15, 16, 16, 15,17, 13, 16, 16, 15, 15, 13, 15, 17, 15, 14, 15, 13, 15, 14

The marks of 19 students in a test were as follows: 5, 6, 8, 9, 10, 11, 12, 13, 13, 14, 14, 15, 15, 15, 16, 16, 18, 19, 20. Calculate the median and mode.

14 observations are 10, 11, 11, 12, 13, 14, 12, 13, 10, 12, 12, 14, 14 and 15. What is the median of the given observations?

Find the mode in each of the following data collection. d. 12, 13, 12, 15, 16, 16, 13, 12, 14, 18, 12, 12, 14, 15, 19, 12, 14

Find AcapB if A = {10, 11, 12, 13}, B = {12, 13, 14, 15}

Evaluate: = |(10 !, 11 !, 12 !), (11 !, 12 !, 13 !), (12 !, 13 !, 14 !)|