FPBA1014 Chapter 5 Quiz

What is Linear Regression?

• A method to help make decisions using nodes and branches.

• Finding the nearest neighbours of a point of data to help classify the data into a group.

• A fundamental tool for statistical analysis to show relationships between two or more variables.

• Allowing a machine to learn from training data so that it is able to make predictions when given new data.

Which scenario shows how Linear Regression can show relationships between two (or more) variables?

• The average height of a population can be measured.

• The height of a person can be used to predict the weight of that person.

• A decision on whether to go out or stay home can be made after looking through all possible nodes and branches.

• The percentage of market share of Toyota in the country can be visualised.

What is a Decision Tree?

• A method to help make decisions using nodes and branches.

• Finding the nearest neighbours of a point of data to help classify the data into a group.

• A fundamental tool for statistical analysis to show relationships between two or more variables.

• Allowing a machine to learn from training data so that it is able to make predictions when given new data.

What is one of the benefit of using Predictive Modelling?

• Able to understand what has happened in the past

• Able to collect large amounts of customer data and analyse it in a timely manner

• Able to analyse what went wrong in a past business decision.

• Able to allocate resources in an organisation effectively and efficiently

Which of the following is NOT a benefit of Data Visualisation?

• Data might become too simplified

• Makes complex data easier to understand

• Quicker analysis can be performed

• Patterns between data points can be highlighted

Which type of visualisation is this?

• Scatter diagram

• Pie chart

• Bar chart

• Heat map

Which type of visualisation is this?

• Scatter diagram

• Pie chart

• Bar chart

• Line chart

Which type of visualisation is this?

• Scatter diagram

• Pie chart

• Bar chart

• Line chart

Which type of visualisation is this?

• Scatter diagram

• Pie chart

• Bar chart

• Line chart

Which type of visualisation is this?

• Scatter diagram

• Line chart

• Bar chart

• Heat map