Use class width to create groups. Find the frequency for ... Below is an example of a frequency distribution as a table. Investment houses still use the approach, which requires considerable ...

There were 44 trains in total in this grouped frequency table, so work out \(\frac{44 + 1}{2} = \frac{45}{2}\) = 22.5. The median is therefore between the 22nd and 23rd values. Work down the ...

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 ...