Can mode be calculated for grouped data with unequal class sizes?

The mean value can be calculated from both ungrouped and grouped data. Which one do you think is more accurate? Why?

Find the mode of the following data :

When is it more convenient to use grouped data for analysis?

In the class weight of students is measured for the class records . Calculate mean weight of the class students using direct method.

The presence of two types of nuclei, a macronucleus and a micronucleus, is characteristic of protozoans are grouped under the class ………………. .

The Calculate the mode of the following data

Is the mode always at the centre of the data ?

The electronic machine that can perform calculation or control operations is ____