Find the mode of the following data:

Find the mode for the following data in the frequency distribution table:

Find the mean of the following data :

Find the mean of the following data :

Find the mean of the following data :

Find the mean for the following data

Find the median of the following data :

find the mean of the following data.

Find the mode of the following distribution :

Find the mean for the following data :

Find the value of A, if the mode of the following data is 20: 15, 20, 25, 18, 13, 15, 25, 15, 18, 17, 20, 25, 20, lambda ,18.