The `S.D.` of the numbers `31, 32, 33, .... 47` is

The standard deviation of the numbers 31,32,33, ……., 46,47 is

The standard deviation of the number 31, 32, 33, …, 46, 47 is a) sqrt((17)/(12)) b) sqrt((47^(2)-1)/(12)) c) 2sqrt(6) d) 4sqrt(3)

2, 5, 11, 22, 32, 47

Find the mode of the given data : 3.1, 3.2, 3.3, 2.1, 1.3, 3.3, 3.1

The number of prime numbers among the numbers 105! + 2, 105! +3, 105! +4,...., 105! + 104, 105!+105, is (a) 31 (b) 32 (c) 33 (d) None of these

The number of prime numbers among the numbers 105! + 2, 105! +3, 105! +4,...., 105! + 104, 105!+105, is (a) 31 (b) 32 (c) 33 (d) None of these