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1.你这门课的老师是（ ）！
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2. Should you apply scaling to this data?
As Professor Guttag said, there are two types of people in this world: those who know programming and those who don’t. To prove this once and for all, you take a random sampling of edX students and put them through a programming test. Assume that the test is entirely fair and that it reflects the exact level of skill each student has. You also ask them to fill out a small questionnaire about their experience with 6.00.2x.You receive the results for each student as [Exam grade, Hour spent on 6.00.2x]. That is, if Alice has spent 90 hours on 6.00.2x and received a score of 74 on the exam, you will have [74, 90] as a data point.1. Based on your initial purposes, what should you choose as k?
4. The angle of refraction of light (degree that light bends) observed when entering water vs. glass vs a diamond.
3. The percent concentration of a virus in a random sampling of healthy and unhealthy people.
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