Introduction to Statistics

A market research company wants to find out how many people in their thirties in Ireland choose to staycation rather than go abroad on holiday. What represents the population to be surveyed?

• A selection of people in their thirties.

• The entire population of Ireland.

• All people in their thirties who go on holiday.

• The entire population of Ireland who are in their thirties.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

You are asked to find out students' opinions on their school uniform. What represents a fair sample?

• All the girls in the school.

• All the boys in the school.

• All the first years.

• A class from each year group.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

You have been asked to carry out a survey on mass attendance in your local town. Which of the following is NOT an example of a biased survey?

• Asking all people in their 60s .

• Asking people coming out of mass on a Sunday.

• Asking a random sample of all people in the town.

• Asking all householders in one housing estate in the town.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

You want to find out how many people travel by bus to work in the morning. You ask all the people at the bus stop. Is this an example of a biased survey or a fair, randomly selected survey?

• Biased

• Fair

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

There are 1250 workers in the local council offices. You want to find out how many smoke, you ask 100 people. What is the sample and what is the population?

• Population: 1250

  Sample: 100

• Population: 100

  Sample: 1250

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Which of the following is NOT an example of misrepresented stats?

• Cherrypicking your audience

• A random selection of the population is surveyed

• Overloading reader with data

• Leaving out data

Who might benefit from misusing and misrepresenting statistics?