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

Statistics is a set of methods that researchers use to collect and analyze information or data about different variables. An example of a variable can be behavior, facts, performance, beliefs, attitudes, or emotions. Specific examples of variables such as age, height, depression, exercise habits, and self-esteem are also acceptable.

Explanation:

93.2 ml + 3920 ml = 4013 ml total  

(93.2 ml) * (2.03 m) / (4013 ml) = 0.0471 m

the volume in in l of the diluted solution would be 0.0471 m.

the correct answer is:

a. formation of precipitation