Lesson details

Key learning points

  1. In this lesson, we will learn how to write a suitable hypothesis, and the difference between primary and secondary data sources.


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3 Questions

Which of these is the first stage in the data handling cycle?
Collect data
Interpret and discuss results
Process and represent the data
Correct answer: Write hypothesis and plan data collection
Which of the following is qualitative data?
Correct answer: Hair colour
Shoe size
A student asks her classmates how many brothers and sisters they have. What best describes the type of data she collects?
Continuous, quantitative data
Correct answer: Discrete, quantitative data
Qualitative data

4 Questions

Which of these is the correct definition of a hypothesis?
A conclusion to an experiment based on data analysis
A question that a researcher wants to answer
Correct answer: An unproven statement which can be tested
The decision to use primary or secondary data collection
Which of these is a valid hypothesis?
Do people prefer cats or dogs?
Dogs are better than cats
Correct answer: People prefer cats to dogs
People prefer cats to dogs, don't they?
Which of these is NOT an example of a primary data source?
A phone interview
A scientific experiment
An online questionnaire
Correct answer: Official government statistics
Which of these is a potential disadvantage of collecting primary data?
Correct answer: It may be expensive
It may be out of date
It may not be specific to your needs
You don't have control over it

Lesson appears in

UnitMaths / Univariate data