Evaluate Quiz 1_ DATA1001 Foundations of Data Science

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University of Technology Sydney *

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Apr 3, 2024

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07/03/2023, 15:18 Evaluate Quiz 1: DATA1001 Foundations of Data Science https://canvas.sydney.edu.au/courses/48435/quizzes/215406 1/4 Evaluate Quiz 1 Due Feb 26 at 23:59 Points 5 Questions 5 Available Feb 20 at 0:00 - Feb 26 at 23:59 Time Limit 30 Minutes Allowed Attempts 2 This quiz was locked Feb 26 at 23:59. Attempt History Attempt Time Score LATEST Attempt 1 5 minutes 5 out of 5 Score for this attempt: 5 out of 5 Submitted Feb 26 at 13:35 This attempt took 5 minutes. 1 / 1 pts Question 1 Sydney Data Stories: A/Prof Elizabeth Scott researches teenage mental health. From her interview, what is one way that the collection of data in that field has been really hampered? small sample sizes Correct! Correct! large sample sizes 1 / 1 pts Question 2 Select the correct statement in the following.
07/03/2023, 15:18 Evaluate Quiz 1: DATA1001 Foundations of Data Science https://canvas.sydney.edu.au/courses/48435/quizzes/215406 2/4 A controlled experiment = a study where the investigators make all the decisions. A control = a subject who got the treatment. Controlling for confounders = trying to reduce the influence of confounding variables. Correct! Correct! Good work! 1 / 1 pts Question 3 What is the human genome project? See: https://www.genome.gov/human-genome-project An Australian school-based project studying maths education in lower income areas. Australian research on mental health, focusing on adult despression. An international philanthropic project to help agriculture in developing countries. An international collaborative project to map and understand human genes. Correct! Correct! Good work!
07/03/2023, 15:18 Evaluate Quiz 1: DATA1001 Foundations of Data Science https://canvas.sydney.edu.au/courses/48435/quizzes/215406 3/4 1 / 1 pts Question 4 Day Male Female Total Day 1 760 / 900 = 84.4% 40 / 100 = 40% 1000 Day 2 600 / 700 = 85.7% 150/300 = 50% 1000 On day 1, 1000 people were asked 'Do you like Coke more than Pepsi?'. On day 2 another 1000 people were asked the same question. The number of people who said yes is recorded in the above table. (E.g. 760 out of 900 males answered 'yes' on day 1.) Did more people like Coke on day 2 compared to day 1? [Note: the question is different to the exercise in class, so think carefully.] No Correct! Correct! Good job. :) Yes 1 / 1 pts Question 5 Using the data() command, which of these is NOT a real dataset preloaded into R. sleep ChickWeight
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07/03/2023, 15:18 Evaluate Quiz 1: DATA1001 Foundations of Data Science https://canvas.sydney.edu.au/courses/48435/quizzes/215406 4/4 tigers Correct! Correct! iris Quiz Score: 5 out of 5