Collecting Data to Answer Questions (Grade 11 NSC Matric Mathematical Literacy): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is a population in data collection?
What is a population in data collection?
The entire group you want to study
What is a sample in statistical investigation?
What is a sample in statistical investigation?
A smaller subset of the population
Why do researchers often use samples instead of studying entire populations?
Why do researchers often use samples instead of studying entire populations?
Populations are often too large and costly
Which three characteristics must a good sample have?
Which three characteristics must a good sample have?
Representative, large enough, and diverse
What is bias in data collection?
What is bias in data collection?
When sample doesn't represent population
What happens if a sample is biased?
What happens if a sample is biased?
It gives a distorted impression of population
Who typically completes a recording sheet?
Who typically completes a recording sheet?
The researcher conducting the study
What is the first step in any statistical investigation?
What is the first step in any statistical investigation?
Asking the right questions
A study of car popularity only surveys cars at one shopping centre. What is the potential bias?
A study of car popularity only surveys cars at one shopping centre. What is the potential bias?
Only one location's shoppers represented
What tool gathers opinions through questions people complete themselves?
What tool gathers opinions through questions people complete themselves?
A questionnaire