Grouped frequency tables are a way of showing data in groups. Set up a new column to write the midpoint of each class. Set up another column to multiply each midpoint by its frequency. Find the sum of ...

Tallying is a way of recording data that counts in groups of five. The data is tallied as it is counted, with a mark for each piece of data, and then the frequency is recorded at the end. Frequency ...

Poverty estimates of rural, urban and combined areas for the states and for India, in 2022–23, have been computed. The methodological and pedagogical insights gained were sixfold. First, items were ...