The difference between the LOG and LN functions in Excel is that LOG returns the logarithm of a number to the base you specify, while the LN function returns the natural logarithm of a number.

The log-likelihood is just the (natural, usually) logarithm of the ordinary likelihood function. It is numerically easier to work with, and since log is a monotonic function, equivalent.<BR><BR ...

Quantitative Aptitude Practice questions on Functions: This practice set has 8 questions with their answers & Explanatory answer covering topics from the areas of Quantitative Aptitude.