# Lesson 14

4.5 Graphs and tables
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Slide 1: Tekstslide
Natuurkunde / ScheikundeMiddelbare schoolhavo, vwoLeerjaar 2

In deze les zitten 13 slides, met tekstslides.

## Onderdelen in deze les

4.5 Graphs and tables

#### Slide 1 -Tekstslide

Learning goals
• Explain what is meant by a continuous variable and a discrete variable.

•  To know in what case to use a pie chart, bar chart or graph.

#### Slide 2 -Tekstslide

tables and graphs – Exercise
2. Give a definition in your own words for the following concepts:

• Discrete variable – give an example.
• Continuous variable – give an example.
•  Categoric variable – give an example
•  Bar chart – also draw an example of a bar chart.
• Pie Chart – also draw an example of a pie chart.

#### Slide 3 -Tekstslide

Discrete variable
• A variable which you can only express in whole numbers.
• Example: The number of goals in a soccer match

Continuos variable
• A variable that can take any number.
• Example: the temperature in a room.

Categoric variable.
• A variable that is not expressed in numbers.
• Example: the names of players in a sports match.

Bar chart

Pie Chart

#### Slide 6 -Tekstslide

Exercise
1. In your notebook write down:

• Discrete variable
• Categoric variable
• Continuous variable

2. Behind each variable, write down which type of graph you use for it.

•  Graph
• Bar chart
• Pie chart

#### Slide 7 -Tekstslide

Discrete variable

#### Slide 8 -Tekstslide

Categoric variable

#### Slide 9 -Tekstslide

Continuous variable

#### Slide 10 -Tekstslide

Discussing the exercises
• Yellow block exercises 4.5
• Workbook exercises 4.5

#### Slide 11 -Tekstslide

Working independently
• Start to study §4.1 - 4.5
• Do the Review questions in §4.7

#### Slide 12 -Tekstslide

Learning goals
• Explain what is meant by a continuous variable and a discrete variable.

•  To know in what case to use a pie chart, bar chart or graph.