दिए गए आंकड़ों को माध्यिका ज्ञात कीजिये : 21, 22, 25, 30, 12, 13, 18, 12, 19, 12

27 13 12 18 ? 75

D_(3) for data: 16, 21, 27, 13, 19, 26, 25, 12, 17, 28 is

Find the median of the data : 21, 15, 6, 25, 18, 13, 20, 9, 8, 12

Construct a frequency table for the following ages (in years) of 30 students using equal class intervals, one of them being 9-12 , where 12 is not included. 18, 12, 7, 6, 11, 15, 21, 9, 8, 13, 15, 17, 22, 19, 14, 21, 23, 8, 12, 17, 15, 6, 18, 23, 22, 16, 9, 21, 11, 16 .

Construct a frequency table for the following ages (in years) of 30 students using equal class intervals, one of them being 9-12, where 12 is not included. 18, 12, 7, 6, 11, 15, 21, 9, 8, 13, 15, 17, 22, 19, 14, 21, 23, 8, 12, 17, 15, 6, 18, 23, 22, 16, 9, 21, 11, 16.

The range of the data : 21, 6, 17, 18, 12, 8, 4, 13 is

Find the mode of the following data in each case: 14, 25, 14, 28, 18, 17, 18, 14, 23, 22, 14, 18 7, 9, 12, 13, 7, 12, 15, 7, 12, 7, 25, 18, 7