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- 1. Multiple Choice
Q1. Which of the following is the most accurate definition of data science?
a) Data science is extracting meaning from large data sets in order to provide insights to support decision-making
b) Data science is using computers to analyse data and to perform calculations on the data to produce information
c) Data science is performing experiments and recording the data produced by those experiments
d) Data science is writing code to make sure that any inaccuracies in data sets are spotted and removed (cleaned)
- 2. Multiple Choice
Q2. Which of the following best describes a data visualisation?
A. Presenting related data so that a user can see individual items of data
B. Making sure that data is accessible and that no data is hidden
C. A visual representation that communicates relationships among the data
D. A collection of graphs that tell a story when put together
- 3. Multiple Choice
Q3. Is the following a visualisation or an infographic?
A. Visualisation
B. Infographic
- 4. Multiple Choice
Q4. What is meant by a correlation?
A. The relationship between two or more variables
B. When there is an upward trend in a graph
C. When there is a set of data that doesn’t lie in the normal or expected range
D. When data is placed in a graph
- 5. Multiple Choice
Q5. The visualisation below plots life expectancy (y-axis) against time (x-axis). What type of correlation does this visualisation show from 1949 onwards?
A. Positive
B. Negative
C. Neutral
D. No correlation is visible
- 6. Multiple Choice
Q6. The following graph shows the annual average temperatures recorded by a weather station over a period of 20 years. Identify the outlier in the data.
A. Point A
B. Point B
C. Point C
D. Point D
- 7. Multiple Choice
Q7. Which of the following is the correct order of the investigative cycle?
A. Problem, data, plan, analysis, conclusion
B. Conclusion, plan, problem, data, Analysis
C. Plan, problem, analysis, data, conclusion
D. Problem, plan, data, analysis, conclusion
- 8. Multiple Choice
Q8. In which step of the cycle would you pose the question(s) that you will use data to help you answer?
A. Data
B. Analysis
C. Plan
D. Problem
- 9. Multiple Choice
Q9. In which step of the cycle would you cleanse the data?
A. Data
B. Analysis
C. Plan
D. Problem
- 10. Multiple Choice
Q10. In which step of the cycle would you work out where the data will come from or how you will collect it?
A. Data
B. Analysis
C. Plan
D. Problem
- 11. Multiple Choice
Q11. How many students spent 7 hours doing homework that week?(1 mark)
6
5
7
4
- 12. Multiple Choice
Q12. How many total students are represented by the histogram?(1 mark)
32
31
35
8
- 13. Multiple Choice
Q13. What is the MEDIAN of this data?(1 mark)
95
90
100
40
- 14. Multiple Choice
Q14. What was the difference between the cars sold on Monday and Tuesday than the cars sold on Friday and Saturday? (1 mark)
4
3
2
1
- 15. Multiple Choice
Q15. What is name of the chart pictured below? (1 mark)
Graph chart
Pie chart
Line chart
Bar chart
- 16. Multiple Choice
Q16. What is name of the chart pictured below? (1 mark)
Graph chart
Pie chart
Line chart
Bar chart
- 17. Multiple Choice
Q17. What is name of the chart pictured below? (1 mark)
Graph chart
Pie chart
Line chart
Bar chart
- Answer choicesTagsAnswer choicesTags