Question 1: THEORY
What is the phenomenon of multicollinerarity and how it can be treated for regression analysis? (about 200 words)

Question 2: THEORY
There are numerous ways in which sampling can be conducted for research. Describe three approaches to sampling and identify the strengths and weaknesses of each.
(about 200 words)

Question 3:
When we want to find a value representing the central location for a dataset we have more than one options and respective statistics to use, with the mean, the median and the mode being the most popular ones, but all these three come with some distinct advantages and disadvantages. (about 200 words)

I. Discuss and highlight at least one of the advantages and one of the disadvantages of the mean, the median and the mode. (100 words)

II. Give a numerical examples of a dataset with at least 29 data points so as to illustrate the main disadvantage of the mean. (100 words)

III. Give a numerical examples of a dataset with at least 29 data points so as to illustrate the main disadvantage of the mode. (100 words)

IV. Draw two boxplots so as to compare the datasets you created in (ii) and (iii)