In statistics, within the measures of central tendency we can find the median, the mode, and the mean, and inside this last measure, we can differentiate between arithmetic, geometric, weighted, and harmonic mean. Mark the correct sentence regarding the main advantages of the arithmetic mean?

• a) Given a population or a sample, both the sample mean and the population mean are unique, as it happens with the population or the sample mode.

• b) It uses all the information about the size and magnitude of observations.

• c) It is less sensitive to outliers than other measures of central location, such as the median or the mean.