Question 1: Give an example of a categorical variable and a quantitative variable. Explain the difference between them. Question 2: What are the measures of center and when is it better to use one over the other?

Question 3: Explain how to check a data set for outliers.

Question 4: Explain SOCS.

the law of definite proportions states samples of a compound will always contain the same proportion of elements by mass. in other words, a given compound will always contain the same elements in the same proportions by mass.the law of multiple proportions states when two elements combine with each other to form more than one compound, then the weights of one element that combine with a fixed weight of the other are in a ratio of small whole numbers.