SMD is a ruler independent of sample size and units

In the 5th installment, I wrote that the p-value in Table 1 reflects the sample size.So, what should we look at instead? That ...

An example where a 10% increase in sales leads to a 50% increase in operating profit. Reading operating leverage from cost structure

Sometimes, even a small increase in sales can lead to a significant increase in operating profit. One reason for this is the existence of costs that remain the same even when sales increase. In this ...