Calculating Mean of Group Data using Step Deviation Method

The video tutorial explains how to calculate the mean of grouped data using the step deviation method. It begins with an introduction to grouped data and central tendency, followed by a problem statement involving the mean age of a community. The tutorial then outlines the preparation steps, including finding mid-values and class size. The step deviation method is detailed, showing how to calculate deviations and their products with frequencies. Finally, the mean is calculated using a specific formula, and the steps are summarized.

Describe the process of calculating the product of frequency and deviations.

What formula is used to find the mean of group data?

Summarize the steps involved in calculating the mean of group data.