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An online education company is reviewing student grades. For one student, Maria, the final exam score is missing because she did not take the test. If the company decides to record this as a failing grade (0) rather than deleting the row, what are they doing?

In the lecture, we mentioned one philosopher that Aquinas was greatly influenced by, whose Five Proofs are modeled after his Four Causes.  Who was this philosopher? 

Because high intakes of saturated fat are linked to increased risk for cardiovascular disease, the Dietary Guidelines for Americans recommends limiting saturated fat intake to less than 10% of total calories. Which of the following dietary modifications would be the most effectively way to help Tyra reduce her risk for cardiovascular disease?

One of the possible responses to the question, “Why is there something rather than nothing” is that the universe has always existed. What response was given for why this cannot be so? 

Aquinas’s Proof from Gradations is modeled after which one of the Four Causes? 

Your team is analyzing product sales.  You observe some irregularities in the dataset (shown below). Which data cleaning step is most critical in this case?

An airline’s booking system has several reservations missing passenger passport numbers, even though these are required for international flights. What data quality dimension is being violated?

When handling missing values… Why might one choose to input data rather than remove rows?

What is an objective of data cleaning?

An airline collects sales data and adds weather conditions to see if weather influences cancellations. What type of transformation is this?