Data Science Final Quiz Quizizz

Which of the following is the most accurate definition of data science?

• Data science is extracting meaning from large data sets in order to provide insights to support decision-making

• Data science is using computers to analyse data and to perform calculations on the data to produce information

• Data science is performing experiments and recording the data produced by those experiments

• Data science is writing code to make sure that any inaccuracies in data sets are spotted and removed (cleaned)

Which of the following best describes a data visualisation?

• Presenting related data so that a user can see individual items of data

• Making sure that data is accessible and that no data is hidden

• A visual representation that communicates relationships among the data

• A collection of graphs that tell a story when put together

What should be on a graph?

• 3d graphics

• Title, labeled x and y axis 

What is meant by a correlation?

• The relationship between two or more variables

• When there is an upward trend in a graph

• When there is a set of data that doesn't lie in the normal or expected range

• When data is placed in a graph

Which of the following is the correct order of the investigative cycle?

• Problem, plan, data, analysis

• Conclusion, plan, problem, data, Analysis

• Plan, problem, analysis, data, conclusion

• Problem, plan, data, analysis, conclusion

In which step of the cycle would you pose the question(s) that you will use data to help you answer?

• Data

• Analysis

• Plan

• Problem

In which step of the cycle would you cleanse the data?

• Data

• Analysis

• Plan

• Problem

In which step of the cycle would you work out where the data will come from or how you will collect it?

• Data

• Analysis

• Plan

• Problem

Which of these are examples of Data Science Analysis

• Weather Prediction

• Weather transfixing

• Data prefixing

Data Science is essentially trying to analyse data to help with making better _________?