An accountant has several roles and responsibilities to meet in their job, both in terms of their competence at carrying out accounting practices as well as their ethics and approach to the job.ccountancy is one of the most detailed and diverse roles in the finance industry and as such accountants are required to be competent in a number of areas. The role of an accountant might include the following: 1  Prepare profit and loss statements on behalf of a business.
Categorical. A categorical variable (sometimes called a nominal variable) is one that has two or more categories, but there is no intrinsic ordering to the categories. For example, gender is a categorical variable having two categories (male and female) and there is no intrinsic ordering to the categories.
Discrete vs. Continuous Variables. If a variable can take on any value between two specified values, it is called a continuous variable; otherwise, it is called a discrete variable. Some examples will clarify the difference between discrete and continuous variables.f a random variable is a continuous variable, its probability distribution is called a continuous probability distribution. A continuous probability distribution differs from a discrete probability distribution in several ways. 1  The probability that a continuous random variable will assume a particular value is zero.