The interquartile mean is a measure of central tendency. While all values in a data set are used to calculate the mean, only the interquartile range -- the central portion of a data set -- is used to ...

The T-Value is a common statistical calculation with a very wide range of applications. In the business world, it can help in making educated financial predictions and projections. For example, a ...

While Excel is useful for many applications, it is an indispensable tool for those managing statistics. Two common terms used in statistics are Standard Deviation and ...

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 ...

A straight ranking result is easy using one of Microsoft Excel’s ranking functions. Calculating a conditional rank is even easier if you let an Excel PivotTable do all the work. Image: ...

How to show details in a grouped PivotTable in Microsoft Excel Your email has been sent Microsoft Excel PivotTables turn data into useful information the same as other reporting tools. Most reports ...

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 ...