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 UWA week 20 (1st semester, week 11) ↓
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11:46am Sat 18th May, ANONYMOUS

Some unofficial answers here, but these are exactly how I worked on my own assignment.


According to the clarification email from the professor:

All rows with a country code, between the years 2011 and 2021 are to be reported.

So an empty value like population does not affect whether a line should be outputted or not.






Again, according to the clarification email from the professor:

That implies that, for a given country and predictor, each Cantril data point corresponds to a a predictor data point, and there are at least 3 of those. This also implies that the number of correlations may be slightly different for each predictor.

So Life-Cantril correlation does not need to be calculated in this case.

But you still need to calculate correlation for GDP-Cantril.


Yes. For each predictor, n can be different for each entity, for the reason we talked about in Q4.

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