Assignment 2

[cvasoff]

What changes are you trying to make? (e.g. Adding or removing code, refactoring existing code, adding reports)

Responded to assignment Parts A & B.

What did you learn from the changes you have made?

I learned that it still takes me a lot of thought to work out (I hope I've completed this assignment correctly - or largely so!) what population group is being selected for measurement, how it will be measured, what the assumptions are, and what plausible inferences can be made, all based on the survey methodology used.

Was there another approach you were thinking about making? If so, what approach(es) were you thinking of?

For Part A, I initially considered a stratified sampling approach, but subsequently considered the feasibility of sampling a proportion of the entire company given my stated survey objective.

Were there any challenges? If so, what issue(s) did you face? How did you overcome it?

The main challenge for me in Part A was sorting out how to sample a representative group of individuals, given how they are identified within the company, as efficiently as possible. I relied mostly on the course resources, "Sampling Theory and Practice," to guide my thinking. Also, a "large" tech company could be an enormous public-listed company or a relatively smaller company, which might also have affected the survey sampling design process. The main challenge in Part B was discussing the survey's weighting, using the information provided on the Statistics Canada website. I cross-referenced a textbook I own, "Surveys in Social Research" (by David de Vuas), for a simpler explanation of weighting across multiple factors. I then looked at the course textbook, p. 267-268. I was already aware that Statistics Canada can use provincial weighting factors in its surveys.

How were these changes tested?

n/a

A reference to a related issue in your repository (if applicable)

I received a message that my "git add" command update to the assignment-2 branch was rejected "because the tip of your current branch is behind its remote counterpart." So, I followed Step 2, "Updating other branches when a PR is updated/Merged," (github-assignment-work" document from Anjali). I hope my PR is okay.

Checklist

• I can confirm that my changes are working as intended

[anjali-deshpande-hub]

Excellent!

Just one observation/correction.
In Part A, Sampling strategy - I would randomly sample entry/lower-level employees within each department to ensure representation across all departments, not random selection of some. That would be 'stratified random sampling by department' instead of 'two stage cluster sampling'.