Progression (Sequence and Series)Hard
Question
For a frequency distribution standard deviation is computed by-
Options
A.σ = 
B.σ = 
C.σ = 
D.σ = 
More Progression (Sequence and Series) Questions
The sum of the first 100 terms common to the series 17, 21, 25, ....... and 16, 21, 26, ........is -...Which of the following is not a measure of central tendency :...If the mean of numbers 27, 31, 89, 107, 156 is 82, then the mean of 130, 126, 68, 50, 1 is-...The scores of a batsman in ten innings are: 38, 70, 48, 34, 42, 55, 63, 46, 54, 44, then mean deviation about the median...The median of the data 13, 14, 16, 18, 20, 22 is-...