Survey questions

Maths

Univariate data

Mr Millar is surveying a group of people about their reading habits. One of the questions is: "Reading is good for you. How many books have you read over the last year?" What is wrong with this question?

If you've read 70 books, there is no possible answer for you to tick

The answers don't cover all possible outcomes

A student asks his classmates how long they spent yesterday doing their homework. Which of the following is the best answer box for him to provide?

In order to test what Arsenal fans think about their manager, a student gives an online questionnaire to 100 Arsenal fans. The student is testing his hypothesis by taking a ….

May be biased if the sample is unfair or too small

Which of the following is a potential disadvantage of a sample?

He asks people on a Friday, rather than another day or the week

He doesn't necessarily ask the same number of men and women

People who shop at Waterstones are more likely to prefer reading books

Mr Millar wants to test whether people prefer reading books to watching TV by asking 300 people outside Waterstones (a book shop chain) on a Friday morning. What is the most likely reason that this sample will be biased?

Starter Quiz