Arithmetic mean of a continuous frequency distribution

Find the mean deviation from the mean for a continuous frequency distribution

Find the arithmetic mean of the following frequency distribution :

Find the arithmetic mean of the following frequency distribution:

The arithmetic mean of the following frequency distribution is 53. Find the value of k.

The arithmetic mean of the following frequency distribution is 25. Determine P.

Answer any two questions : If the arithmetic mean of the following frequency distribution table is 54, then find the value of x :

Derive the median formula for a continuous frequency distribution.

Computation of mode for a continuous frequency distribution - Method