Collecting Data

Which one of the following survey questions would generate numerical data?

• What is your favourite colour?
• What type of car does your family own?
• How long does it take for you to travel to school?
• What type of dog do you own?

Which one of the following survey questions would generate categorical data?

• How many times do you eat at your favourite fast-food place in a typical week?
• How much do you usually spend buying your favourite fast food?
• How many items did you buy last time you went to your favourite fast food place? 
• Which is your favourite fast food?

Describe what type of data it generates: How many people under the age of 18 years are there in your immediate family? 

• numerical & discrete 
• categorical & ordinal
• numerical and continuous
• categorical and nominal

Describe what type of data it generates: How many letters are there in your first name?

• numerical & discrete 
• categorical & ordinal
• numerical and continuous
• categorical and nominal

Describe what type of data it generates: Which company is the carrier of your mobile telephone calls?
E.g. Optus/ Telstra/ Vodafone/ 3/ Virgin/ others

• numerical & discrete 
• categorical & ordinal
• numerical and continuous
• categorical and nominal

Describe what type of data it generates: What is your height?

• numerical & discrete 
• categorical & ordinal
• numerical and continuous
• categorical and nominal

Describe what type of data it generates: How would you describe your level of application in Maths? (Choose from very high, high, medium or low)

• numerical & discrete 
• categorical & ordinal
• numerical and continuous
• categorical and nominal

Every student in Years 7 to 12 votes in the monitor elections. The election process is an example of: 

• a population
• continuous data
• a representative sample 
• a census 

TV 'ratings' are used to determine the shows that are the most popular. Every week some households are chosen at random and a device is attached to their tv. The device keeps track of the shows the household are watching during the week. The company that chooses the households should always attempt to find: 

• A census
• Continuous data
• A representative sample
• Ungrouped data

Dr Hawkes decides to survey Year 10 students to determine their opinion of Mathematics. In order to increase the chance of choosing a representative sample, Dr Hawkes should: 

• Give a survey form to the first 30 Year 10 students who arrive at school
• Give a survey form to all students studying the most advanced maths subject
• Give a survey form to five students in every Maths class
• Give a survey form to 20% of the students in every class

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1