Measures of Cen...

The median of the first 12 prime numbers is 

The numbers 3,5,6 and 4 have frequencies of x x+2, x-8 and x+6 respectively If their mean is 4 then the value of x is

A contractor employed 18 labourers at Rs 12 per day 10 labourers at Rs 13.50 per day 5 labourers at Rs 25 per day and 2 labourers at Rs 42 per day The average wage of a laborer per day is

The mode of the series 2,3,1,2,5,3,2,2,3,5 is

A data has 25 observations (arranged in descending order) which observations represents the median?

A student obtained the following marks percentage in an examination English - 50, Accounts - 75, Economic - 60, B. Std. - 80. Hindi - 55. if weights are 2,3,3,2,1 respectively allotted to the subjects, his weighted mean is

The mean of the following is given by

Which of the following cannot be determined graphically?

If the mean of the following is 15 the value of 'a' is 

The median of 1, 3, 6, 8, 4, 2, 7, 10 is