Answer the following : Calculate co-efficient of variation for the data given below:

Answer the following : Calculate coefficient of variation the following data: 23, 27, 25, 28, 21, 14, 16, 12, 18, 16

Solve the following: Find coefficient of variation for the following data:

Answer the following : Calculate S.D. from following data

Answer the following : The mean ans standard deviation of two brands of watches are given below Calculate coefficient of variation of the two brands and interpret the results.

Modal class for the data given below is ________.

Answer the following : Compute the variance and S.D. for the following data

Answer the following Observe the given food web and answer the questions given below it. Identify 'X' in the given food web.