# Data collection + categorical data

Data collection and categorical data
Schedule:
• Learning goals
• Vocabulary
• Categorical data
• Work with your own data!
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Slide 1: Tekstslide
WiskundeMiddelbare schoolvwoLeerjaar 2

In deze les zitten 16 slides, met interactieve quiz en tekstslides.

Lesduur is: 60 min

## Onderdelen in deze les

Data collection and categorical data
Schedule:
• Learning goals
• Vocabulary
• Categorical data
• Work with your own data!

#### Slide 1 -Tekstslide

Learning goals
At the end of this lesson I can:
•  Use the correct vocabulary describing data
• Draw a tally and frequency table for a data set
• Find the mode for a data set

Statistics

#### Slide 3 -Woordweb

Vocabulary
Statistics: the study of collecting, organizing and analyzing data

Examples

#### Slide 4 -Tekstslide

Vocabulary
Statistics: the study of collecting, organizing and analyzing data
Population: The entire set of items which you collect data from

Examples

#### Slide 5 -Tekstslide

Vocabulary
Statistics: the study of collecting, organizing and analyzing data
Population: The entire set of items which you collect data from
Sample: A part of a population used to collect data

Examples

#### Slide 6 -Tekstslide

Vocabulary
Statistics: the study of collecting, organizing and analyzing data
Population: The entire set of items which you collect data from
Sample: A part of a population used to collect data
Census: Collecting data from every item in the population
Examples

#### Slide 7 -Tekstslide

Debatable
Which would give you more accurate statistics of a population?
A Sample or a Census?

#### Slide 8 -Tekstslide

Debatable
Which would give you more accurate statistics of a population?
A Sample or a Census?

Why would you use a sample?

#### Slide 9 -Tekstslide

Categorical data
Categorical data = Data which can be placed in categories
- The continent you lived in before the Netherlands

#### Slide 10 -Tekstslide

Categorical data
Categorical data = Data which can be placed in categories.
- The continent you lived in before the Netherlands

#### Slide 11 -Tekstslide

Categorical data
You can organize categorical data with a tally and frequency table

Gender
Tally
Frequency
Male
Female

#### Slide 12 -Tekstslide

Categorical data
You can organize categorical data with a tally and frequency table

Gender
Tally
Frequency
Male
Female
Mode = the most frequent occuring category

#### Slide 13 -Tekstslide

1. Go to ManageBac > Files > Unit 6 probability and statistics > MP2 data collection
2. Choose one of the following topics: Favorite subject, continent you lived in before the Netherlands, Languages spoken
3. Draw a tally and frequency table for the data
4. Find the mode
5. Done? Repeat steps 2-4 for the other topics
(extra) 6. Go to p. 352 of your book. Create a graph for your data: dot plot, Vertical column graph or horizontal bar chart

#### Slide 14 -Tekstslide

Work
P. 353-354: 18C                     1, 2, 3, 4

#### Slide 15 -Tekstslide

Next week...
We will spend 2 of the 4 lessons next week watching a movie.

I will bring popcorn,
What will you bring?