A frequency table tabulates the number of times values from a data set appear within a configured range. As an example, you might have a list of employee scores and want to display the frequency of ...

Farmers may be tempted to wait for higher prices before making a crop marketing decision. However, waiting can end in disappointment because prices can fall instead of rise, with much of the crop ...

Data can be presented in many ways that make it quicker and easier to read. In this section we will look at some of these ways. It is important to choose the best way to present data. This is the data ...

Notice: five groups, all of the same width. There are no gaps – every length from 30 to 55 can be recorded. There are no overlaps between the groups – eg the inequality symbols show that exactly 35 cm ...