Evaluate Quiz 3_ DATA1001 Foundations of Data Science

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Apr 3, 2024

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30/03/2024, 20:17 Evaluate Quiz 3: DATA1001 Foundations of Data Science https://canvas.sydney.edu.au/courses/48435/quizzes/215403 1/2 Evaluate Quiz 3 Due Mar 12, 2023 at 23:59 Points 5 Questions 5 Available Mar 6, 2023 at 9:00 - Mar 12, 2023 at 23:59 Time Limit 30 Minutes This quiz was locked Mar 12, 2023 at 23:59. Attempt History Attempt Time Score LATEST Attempt 1 30 minutes 4 out of 5 Score for this quiz: 4 out of 5 Submitted Mar 10, 2023 at 16:58 This attempt took 30 minutes.  Question 1 1 / 1 pts Correct! The outliers are usually real properties The median house price is often an outlier. There are always lots of outliers, due to missing data.  Question 2 0 / 1 pts scraping data splitting data You Answered combining data Try again! It's part of data wrangling, but look at the other answers too! Correct Answer All the answers  Sydney Data Stories: According to Dr Danika Wright, what did she discover about "outliers" in real estate data. Which of the following are part of data wrangling?

30/03/2024, 20:17 Evaluate Quiz 3: DATA1001 Foundations of Data Science https://canvas.sydney.edu.au/courses/48435/quizzes/215403 2/2 Question 3 1 / 1 pts Correct! 6 Correct Answer 6  Question 4 1 / 1 pts Median = 8, IQR = 2 Correct! There are outliers Lower threshold = 4, upper threshold = 12, no outliers Lower threshold = 5, upper threshold = 11, 2 outliers  Question 5 1 / 1 pts Correct! NT WA ACT NSW Quiz Score: 4 out of 5 For the following data set 4, 8, 8, 1, 8, 3, what is the median? Data is collected on the number of hours undergraduate students slept across an entire semester. The data was then stored in unisleep as the average number of hours slept per night for a given student. Using quantile(unisleep), it is found that the 25% percentile is 7 and the 75% percentile is 9. The minimum is 0 and the maximum is 15. Which statement is TRUE? Using the road fatalities data set from the lab and ggplot, create a boxplot of the Age variable grouped by the State variable. For which state is the size of the box the smallest? (ie The size of the IQR)

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