In a unit test Amar secured 20, 18, 23, 21, 24 and 22 marks in Telugu, Hindi, English, Mathematics, Science and Social Science respectively. Peter got 23, 21,20,19,24 and 17 marks in the above subjects respectively. Interpret the data in the organize manner. The ages (in years) of players are in a team of 16, 16, 16, 14, 17, 18. Then find the following. i) Age of the youngest and the oldest ii) Mean age of the players.

Ashok got the following marks in different subjects in a unit test. 20, 11, 21, 25,23 and 14. What Is arithmetic mean of his marks?

Marks of 12 students in a unit test are given as 4, 21, 13, 17, 5, 9, 10, 20, 19, 12, 20, 14, Assume a mean and calculate the arithmetic mean of the data. Assume another number as mean and calculate the arithmetic mean again. Do you get the same result? Comment.

If the s.d of-5, -4,-3, -2,-1, 0, 1, 2, 3, 4, 5 is sqrt(10) then find the standard deviation of 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25

The test marks in statistic for a class are 20,24,27,38,18,42,35,21,44,18,31,36,41,26,29. The median score of the class is

If the s.d. of -5, -4, -3, -2,-1,0,1,2,3,4,5 is sqrt(10) then find the standard deviation of 15, 16, 17,18,19,20,21,22,23,24,25

Construct a frequency distribution for the following series of numbers.2, 3, 4, 6, 7, 8, 9, 9, 11, 12, 12, 13, 13, 13, 14, 14, 14, 15, 16, 17, 18, 18, 19, 20, 20, 21, 22, 24, 24, 25.

The marks obtained by 35 students in a test in statistics (out of 50) are as below. {:(35,1,15,35,45,23,31,40,21,13,15),(20,47,48,42,34,43,45,33,37,11,13),(27,18,12,37,39,38,16,13,18,5,41),(47,43, , , , , , , , ,):} Construct a frequency distribution table with equal class intervals, one of them being 10-20 (20 is not included).