There are 30 students, so we are looking for the group which contains the \((30 + 1) \div 2 = 15\frac{1}{2}th\) value, which lies halfway betwen the 15th and the 16th value. The cumulative frequency ...

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 ...

It’s not hard to add an alternating band format to a table by applying a table style. It’s quick and easy, but it’s limited. You’ll get a single-row fill color that alternates with a row of white (or ...

Three ways to return the average age for a group using Excel Your email has been sent Summarizing data is a common task in Excel, and there's usually more than one way to do so. Susan Harkins explains ...

The BY statement modifies the action of the SET, MERGE, MODIFY, or UPDATE statement by controlling when the values in the program data vector are set to missing. During BY-group processing, SAS ...