Calculation of an median using OGIVE

Calculate the median marks:

Calculate median marks :

Calculate median size :

Calculate the mean and median for the following data Using empirical formula, calculate its mode

What is the value of the median of the data using the graph in the following figure of less than ogive and more than ogive? (FIGURE)

What is the value of the median of the data using the graph in the following figure of less than ogive and more than ogive? (FIGURE)

Calculate the median and mean deviation about median for the following data.