At the start of the pandemic, 87 percent of parents said a child in their household had been homeschooled due to Covid-19, according to data from the Office for National Statistics (ONS). But even for ...

The mean is the most commonly used measure of average. To find the mean of a list of numbers, add them all together and divide by how many numbers there are: \(\text{mean} = \frac{\text{sum of all the ...

Averages are used all the time in finance, usually to justify performance (above average'). However, as an investor, youshould realise there are several ways to calculate an average.The three most ...