Question

define statistics and give an example of three types of variables that researchers study using statistics.

Explanation:

Statistics is the science of collecting, analyzing, presenting, and interpreting data. Three types of variables studied using statistics are: 1. Categorical variables, like gender (male or female). 2. Discrete numerical variables, such as the number of children in a family. 3. Continuous numerical variables, for example, the height of individuals.

Answer:

Statistics is the science of collecting, analyzing, presenting, and interpreting data. Categorical variable example: gender; Discrete numerical variable example: number of children in a family; Continuous numerical variable example: height of individuals.