# Unit 6 Revision G7

Unit 6 Revision G7
1 / 35
Slide 1: Tekstslide
MathematicsSecondary EducationAge 12,13

In deze les zitten 35 slides, met interactieve quizzen en tekstslide.

## Onderdelen in deze les

Unit 6 Revision G7

#### Slide 1 -Tekstslide

Which type of data can take on any value within a given range?
A
Nominal
B
Discrete
C
Continuous
D
Categorical

#### Slide 2 -Quizvraag

What type of data can only take on specific, distinct values?
A
Ordinal
B
Categorical
C
Discrete
D
Continuous

#### Slide 3 -Quizvraag

Which type of data is used to label variables that do not have a quantitative value?
A
Interval
B
Discrete
C
Categorical
D
Continuous

#### Slide 4 -Quizvraag

What type of data can be counted and expressed in whole numbers?
A
Continuous
B
Categorical
C
Discrete
D
Ordinal

#### Slide 5 -Quizvraag

Which of the following is an example of categorical data?
A
Age
B
Height
C
Temperature
D
Eye color

#### Slide 6 -Quizvraag

What type of data is gender?
A
Numerical
B
Categorical
C
Interval
D
Ordinal

#### Slide 7 -Quizvraag

Which of the following is not an example of categorical data?
A
Blood pressure
B
Hair color
C
Vehicle type
D
Marital status

#### Slide 8 -Quizvraag

Which of the following is an example of discrete data?
A
Weight of a person in kilograms
B
Number of students in a class
C
Height of a tree in meters
D
Temperature in degrees Celsius

#### Slide 9 -Quizvraag

What represents a discrete data set?
A
Average temperature over a week
B
Length of a river in kilometers
C
Time taken to complete a marathon
D
Number of goals scored in a football match

#### Slide 10 -Quizvraag

Which of the following is a discrete variable?
A
Number of cars in a parking lot
B
Speed of a car in miles per hour
C
Volume of water in a lake
D
Age of people in a city

#### Slide 11 -Quizvraag

What is an example of continuous data?
A
Gender of a person
B
Number of children in a family
C
Temperature in degrees Celsius
D
Types of fruit in a basket

#### Slide 12 -Quizvraag

Which of the following is an example of continuous data?
A
Time taken to complete a race
B
Number of pages in a book
C
Colors of the rainbow
D
Types of cars in a parking lot

#### Slide 13 -Quizvraag

Can you provide an example of continuous data?
A
Names of countries in a continent
B
Marital status of people
C
Number of pets in a household
D
Height of individuals in centimeters

#### Slide 14 -Quizvraag

What is a simple random sampling method?
A
Selecting individuals based on availability
B
Choosing individuals based on personal preference
C
Picking individuals from a specific group
D
Selecting individuals purely by chance

#### Slide 15 -Quizvraag

What is systematic sampling?
A
Selecting individuals based on convenience
B
Selecting every nth individual from a list
C
Choosing individuals randomly
D
Picking individuals from the beginning of the list

#### Slide 16 -Quizvraag

What is stratified sampling?
A
Choosing individuals based on alphabetical order
B
Picking individuals from the most populated subgroup
C
Selecting individuals randomly
D
Dividing the population into subgroups and selecting from each

#### Slide 17 -Quizvraag

What is an advantage of random sampling?
A
It provides a representative sample of the population.
B
It requires a list of the entire population.
C
It can be time-consuming and expensive.
D
It may lead to a biased sample.

#### Slide 18 -Quizvraag

What is a potential advantage of choosing a sample?
A
It can be more cost-effective and less time-consuming.
B
It ensures 100% accuracy in the data.

#### Slide 19 -Quizvraag

What is a potential disadvantage of choosing a sample?
A
It guarantees comprehensive and accurate results.
B
It may not fully represent the entire population.

#### Slide 20 -Quizvraag

Why may researchers choose to use a sample instead of the entire population?
A
It is often impractical or impossible to study the entire population.
B
It provides a guarantee of accurate and absolute results.

#### Slide 21 -Quizvraag

Which method is commonly used to collect quantitative data?
A
Literature review and content analysis
B
Surveys and experiments
C
Interviews and focus groups
D
Observation and case studies

#### Slide 22 -Quizvraag

Why is data validation important in the collection process?
A
To ensure accuracy and reliability
B
To identify outliers
C
To increase data volume
D
To speed up the analysis process

#### Slide 23 -Quizvraag

What should be done after data collection is complete?
A
Share the raw data with everyone
B
Delete the data to save storage space
C
Immediately start analysis
D
Organize and clean the collected data

#### Slide 24 -Quizvraag

What is a common method to record data collected?
A
Telepathically transmitting the data
B
Sending a carrier pigeon
C
Creating a sand sculpture
D

#### Slide 25 -Quizvraag

What is a tally chart used for?
A
Recording data in a quick and simple way
B
Performing complex calculations
C
Drawing detailed graphs
D
Storing large amounts of information

#### Slide 26 -Quizvraag

How is data represented in a tally chart?
A
By making marks or strokes
B
By writing lengthy paragraphs
C
By creating pie charts
D
By using numbers only

#### Slide 27 -Quizvraag

What is the purpose of a key in a tally chart?
A
To change the color of the chart
B
To lock the data securely
C
To show what each tally represents
D

#### Slide 28 -Quizvraag

How is the data counted in a tally chart?
A
By arranging them randomly
B
By grouping the tally marks in fives
C
By estimating visually
D
By using a calculator

#### Slide 29 -Quizvraag

What type of information is often recorded using tally charts?
A
Geographical coordinates
B
Historical timelines
C
Frequencies or counts of specific events
D
Musical notations

#### Slide 30 -Quizvraag

What is a method of choosing a sample by randomly selecting individuals?
A
Dice
B
Spinner
C
Random selector
D
Hat

#### Slide 31 -Quizvraag

Which method involves choosing a sample by drawing names from a container?
A
Dice
B
Hat
C
Random selector
D
Spinner

#### Slide 32 -Quizvraag

What is a tool used for choosing a sample by generating a number between 1 and 6?
A
Hat
B
Random selector
C
Dice
D
Spinner

#### Slide 33 -Quizvraag

Which method of choosing a sample involves using a circular object that indicates a selection?
A
Dice
B
Hat
C
Spinner
D
Random selector

#### Slide 34 -Quizvraag

What is a method of choosing a sample by using a tool with different segments, each representing a choice?
A
Random selector
B
Dice
C
Hat
D
Spinner