# data[].attributes.body
Watch the video: Categorical and Numerical - YouTube (2:03"), and attempt Questions 1, 2, and 3.

1 Classify the following as either categorical or numerical data.
a. the number of breeds of cat
b. the ranking of difficulty of maths questions from one to five
c. a postcode
d. women's jean size

2 The variables, number of moths (less than 250, 250-500, more than 500), and trap type (sugar, scent, light) are:
a. both nominal variables
b. both ordinal variables
c. a numerical variable and a categorical variable respectively
d. a nominal variable and an ordinal variable respectively
e. an ordinal variable and a nominal variable respectively

3 The following table shows the data from a sample of seven drivers, who entered a supermarket car park. The variables in the table are:
- distance (the distance that each driver travelled to the supermarket)
- sex (the sex of the driver, female or male)
- number of children - the number of children in the car
- type of car (1: sedan, 2: wagon, 3: other)
- postcode - the postcode of the driver's home.

Which are the categorical data?

Which are the numerical data?

Watch the Video Breaking down your data for insights -YouTube (3:55") by clicking the link or copy the link to your browser: https://www.youtube.com/watch?v=PurElh0qkno and attempt the following question.

If the Australian Census data showed that:
a. People who smoke report they are smoking 15% fewer cigarettes a day (on average).
b. there was a 25% increase in crash fatalities since the last census.
c. 10% more people are now identifying as being atheists.
d. Hight school attendance rates are up 20% from the last census.
Where should the Australian Government focus more of their budget for the coming years? Justify your response.

# data[].attributes.body
Watch the Video Breaking down your data for insights -YouTube (3:55") by clicking the link or copy the link to your browser: https://www.youtube.com/watch?v=PurElh0qkno and attempt the following questions.

1 Which of the following would Anthony Albanese most likely use statistics for?
a. What lenses he would put in his glasses
b. what colour tie he should wear
c. how much funding should he give primary schools
d. which hand to use when shaking hands

2 Which of the following statistics would an international store like Amazon be most interested in?
a. what locations people browse their website from
b. what countries people get items sent to
c. how long people spend browsing their website
d. What items people buy from them

3 Identify a useful and valid conclusion from the following study excerpt:
Widget Co. found that 70% of customers who bought a Spondlebop also bought a Doohicky, and all customers who bought a Doohicky also bought a Spindlebop.
a. Doohicky are more popular than Spindlebops
b. Widget Co. should stop producing Doohickys
c. Widget Co. should have better product names
d. Offering Doohickys and Spindlebops as a package deal may increase sales.

Watch the Video Categorical and Numerical -YouTube (2:04") by clicking the link or copy the link to your browser: https://www.youtube.com/watch?v=03WUNQF0PqY and attempt the following questions.

1 Students in a class are each asked what pets they have. This data is categorical.
Is it ordinal or nominal?

2 Classify the following as either ordinal, nominal, discrete or continuous:
a. The weight of a bag of apples
b. the different brands of apples
c. the classification of apples as small, medium or large
d. the number of apples in a bag

# data[].attributes.body
Watch the video: Types of Data: Categorical and Numerical - YouTube (7:00") and attempt the following questions.

1 Companies and Governmental departments use statistics to
a. Inform actions
b. Appear smart
c. Fix society
d. Waste money

2 Statistics are most useful because they:
a. Are always accurate
b. Tell you what to do
c. Get people interested in important things
d. Let you draw inferences and conclusions

3 Which of the following are most likely to use statistics to inform decision?
a. Your parents
b. The government
c. Dan's bike shop
d. A busker on the street

4 Which of the following sources of data will be most useful to a teacher figuring out where her students are struggling?
a. parental comments
b. number of questions asked in class
c. subject test results
d class attendance

5 A poll asked the question "Ferrari makes the best cars. Do you agree?" with the possible response "strongly agree", "Agree", "Neutral", "Disagree", or "Strongly disagree".
Are the response ordinal or nominal?

6 The maximum temperature each day is being recorded. Is maximum temperature a discrete or continuous variable?

# data[].attributes.attachment_link.title
Types of Data: Categorical and Numerical