Evaluate Quiz 2_ DATA1001 Foundations of Data Science

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Apr 3, 2024

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07/03/2023, 15:24 Evaluate Quiz 2: DATA1001 Foundations of Data Science https://canvas.sydney.edu.au/courses/48435/quizzes/215385 1/4 Evaluate Quiz 2 Due Mar 5 at 23:59 Points 5 Questions 5 Available Feb 27 at 9:00 - Mar 5 at 23:59 Time Limit 30 Minutes This quiz was locked Mar 5 at 23:59. Attempt History Attempt Time Score LATEST Attempt 1 10 minutes 5 out of 5 Score for this quiz: 5 out of 5 Submitted Mar 3 at 16:20 This attempt took 10 minutes. 1 / 1 pts Question 1 Sydney Data Stories: According to Dr Mike Bambach, where does his road fatality data come from? Linking of cyclist data and helmet data Linking of police data and hospital data Correct! Correct! Linking of NRMA data and speed camera data 1 / 1 pts Question 2 What is the 3rd variable in the diamonds dataset?
07/03/2023, 15:24 Evaluate Quiz 2: DATA1001 Foundations of Data Science https://canvas.sydney.edu.au/courses/48435/quizzes/215385 2/4 color Correct! Correct! Great work! size clarity depth 1 / 1 pts Question 3 Which of the following is considered data? An MRI scan A spreadsheet A photo All the other answers Correct! Correct! Good work! Data takes many forms! A survey 1 / 1 pts Question 4 A large study is conducted by the Australian government through a third-party company. The aim is to investigate the community's attitude to the budget. The following information is collected: Age [0-18, 18-25, 25-40, 40-60, 60+] Place of birth [Australia or Other]
07/03/2023, 15:24 Evaluate Quiz 2: DATA1001 Foundations of Data Science https://canvas.sydney.edu.au/courses/48435/quizzes/215385 3/4 Annual Income [in $] Nature of Employment [Eg student, full-time, part-time, casual] Attitude to Budget: "I believe the Australia government is managing the budget well." (Measured on Likert scale: 1. Strongly disagree; 2. Disagree; 3. Neither agree nor disagree; 4. Agree; 5. Strongly agree) Which of the following graphical summaries best represents the relationship between Nature of Employment and Annual Income? Scatter plot Histogram Side by side box plot Correct! Correct! Barplot 1 / 1 pts Question 5 Using the `iris` data create a histogram of the `Sepal.Width` variable using `ggplot` and the `geom_histogram` functions. Set the number of bins or columns in the plot to be 15 using the argument `bins=15` argument inside the `geom_histogram` function. What is the height of the largest column in the resulting plot between? 30-35 45-50 35-40 Correct! Correct! 25-30
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07/03/2023, 15:24 Evaluate Quiz 2: DATA1001 Foundations of Data Science https://canvas.sydney.edu.au/courses/48435/quizzes/215385 4/4 Quiz Score: 5 out of 5

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