Calculate (a) unweighted and (b) weighted mean price from the following :

Calculate the mean of the following :

Calculate mean deviation and its coefficient from mean from the following data:

Construct a composite index number, as a weighted mean from the following data:

Calculate mean deviation and its coefficient from median from the following data:

Calculate weighted index number for 2001 from the following data:

Calculate the mean for the following data :

Calculate (i) the unweighted mean of prices and (ii) the mean obtained by weighting each price by the quantity consumed.

Calculate the weighted mean from the following data: {:("Marks",60,75,63,59,55),("Weight",2,1,5,5,3):}

Calculate gross value added at market price from the following data :