Lesson details

Key learning points

  1. In this lesson, we will discuss how to ask appropriate survey questions, and how to give appropriate answer options to those questions.

Licence

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3 Questions

Q1.
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 ….
Census
Population
Quantitative
Correct answer: Sample
Q2.
Which of the following is a potential disadvantage of a sample?
Correct answer: May be biased if the sample is unfair or too small
May be less biased than a census
More expensive than taking a census
More time-consuming than taking a census
Q3.
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?
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
Correct answer: People who shop at Waterstones are more likely to prefer reading books
The sample size is too small

3 Questions

Q1.
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?
Correct answer: It is a leading / biased question
It is irrelevant
It is unclear
There is no time frame
Q2.
If you've read 70 books, there is no possible answer for you to tick
Correct answer: Some answers overlap
The answers are not relevant
The answers don't cover all possible outcomes
Q3.
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?
Option 1
Option 2
Correct answer: Option 3

Lesson appears in

UnitMaths / Univariate data