Inequalities are often used in grouped tables. For example, the category \(0 \textless m \leq 4\) means that \(m\) is larger than 0 but less than or equal to 4. If data is organised into groups ...

Also, get solved examples of calculating mean for grouped and ungrouped data using direct mean formula and assumed mean method. By Pragya Sagar Oct 11, 2023, 11:10 IST ...

Every election year, questions arise about how polling techniques and practices might skew poll results one way or the other. In the final weeks before this year’s election, the practice of ...

Age groups were defined as young (18-45 years), middle (46-60 years), and elder ( > 60 years). Results: From 2016 to 2020, a total of 18,425 admissions were recorded for anal cancer. The data indicate ...